diff --git a/OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs b/OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs
index 4ab719d728..0b8b95b7c1 100644
--- a/OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs
+++ b/OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs
@@ -3514,6 +3514,15 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                 EntityUpdate update;
                 while (updatesThisCall < maxUpdates && m_entityUpdates.TryDequeue(out update))
                 {
+                    // If we have sent a kill packet for this object
+                    // drop any updates on the floor
+                    if (update.Entity is SceneObjectPart)
+                    {
+                        SceneObjectPart part = (SceneObjectPart)update.Entity;
+                        if (m_killRecord.Contains(part.ParentGroup.RootPart.LocalId))
+                            continue;
+                    }
+
                     ++updatesThisCall;
 
                     #region UpdateFlags to packet type conversion
diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
index a0fabffcda..ba84b88381 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
@@ -3044,6 +3044,15 @@ namespace OpenSim.Region.Framework.Scenes
             UUID ownerID = _ownerID;
             UUID objectID = UUID;
             UUID parentID = GetRootPartUUID();
+
+            if (ParentGroup.IsAttachment && ParentGroup.RootPart.Shape.State > 30)
+            {
+                // Use the avatar as the parent for HUDs, since the prims
+                // are not sent to other avatars
+                objectID = _ownerID;
+                parentID = _ownerID;
+            }
+
             UUID soundID = UUID.Zero;
             Vector3 position = AbsolutePosition; // region local
             ulong regionHandle = m_parentGroup.Scene.RegionInfo.RegionHandle;
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
index d61715ec35..236458c091 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
@@ -69,6 +69,14 @@ using System.Reflection;
 
 namespace OpenSim.Region.ScriptEngine.Shared.Api
 {
+    // MUST be a ref type
+    public class UserInfoCacheEntry
+    {
+        public int time;
+        public UserAccount account;
+        public PresenceInfo pinfo;
+    }
+
     /// <summary>
     /// Contains all LSL ll-functions. This class will be in Default AppDomain.
     /// </summary>
@@ -93,6 +101,8 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
         protected int m_scriptConsoleChannel = 0;
         protected bool m_scriptConsoleChannelEnabled = false;
         protected IUrlModule m_UrlModule = null;
+        protected Dictionary<UUID, UserInfoCacheEntry> m_userInfoCache =
+                new Dictionary<UUID, UserInfoCacheEntry>();
 
         public void Initialize(IScriptEngine ScriptEngine, SceneObjectPart host, uint localID, UUID itemID)
         {
@@ -1173,12 +1183,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
         public virtual void llDie()
         {
             m_host.AddScriptLPS(1);
-            if (!m_host.IsAttachment)
-            {
-                //Enforce a sleep here to avoid ghost prims
-                llSleep(0.2d);
-                throw new SelfDeleteException();
-            }
+            if (!m_host.IsAttachment) throw new SelfDeleteException();
         }
 
         public LSL_Float llGround(LSL_Vector offset)
@@ -4249,16 +4254,50 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             m_host.AddScriptLPS(1);
 
             UUID uuid = (UUID)id;
-
-            UserAccount account = World.UserAccountService.GetUserAccount(World.RegionInfo.ScopeID, uuid);
-            if (account == null)
-                return UUID.Zero.ToString();
-
-
             PresenceInfo pinfo = null;
-            PresenceInfo[] pinfos = World.PresenceService.GetAgents(new string[] { uuid.ToString() });
-            if (pinfos != null && pinfos.Length > 0)
-                pinfo = pinfos[0];
+            UserAccount account;
+
+            UserInfoCacheEntry ce;
+            if (!m_userInfoCache.TryGetValue(uuid, out ce))
+            {
+                account = World.UserAccountService.GetUserAccount(World.RegionInfo.ScopeID, uuid);
+                if (account == null)
+                {
+                    m_userInfoCache[uuid] = null; // Cache negative
+                    return UUID.Zero.ToString();
+                }
+
+
+                PresenceInfo[] pinfos = World.PresenceService.GetAgents(new string[] { uuid.ToString() });
+                if (pinfos != null && pinfos.Length > 0)
+                    pinfo = pinfos[0];
+
+                ce = new UserInfoCacheEntry();
+                ce.time = Util.EnvironmentTickCount();
+                ce.account = account;
+                ce.pinfo = pinfo;
+                m_userInfoCache[uuid] = ce;
+            }
+            else
+            {
+                if (ce == null)
+                    return UUID.Zero.ToString();
+
+                account = ce.account;
+                pinfo = ce.pinfo;
+            }
+
+            if (Util.EnvironmentTickCount() < ce.time || (Util.EnvironmentTickCount() - ce.time) >= 20000)
+            {
+                PresenceInfo[] pinfos = World.PresenceService.GetAgents(new string[] { uuid.ToString() });
+                if (pinfos != null && pinfos.Length > 0)
+                    pinfo = pinfos[0];
+                else
+                    pinfo = null;
+
+                ce.time = Util.EnvironmentTickCount();
+                ce.pinfo = pinfo;
+            }
 
             string reply = String.Empty;