My list:
NoKillSteal (you still get exp when blue circled allies land a killing blow)
http://social.bioware.com/project/1615/#details
GiftGuide (adds name of preferred recipient to gift description in game)
http://www.dragonagenexus.com/downloads/file.php?id=385
ReSpec (allows you to wipe attributes/skills/talents and reassign points)
http://social.bioware.com/project/469/
Items Received (Floats text above characters head when an item is received--very handy for kleptos!)
http://www.damods.com/forums/index.php?topic=89.0
*this one overrides playercore.ncs, may not play well with others
Steal Cooldown reduced (changes cooldown time on steal to 1.5s, can you tell I'm trying a rogue playthrough?)
http://www.damods.com/forums/index.php?topic=74.0
Next on my list:
Advanced Party (Party members join without any stats or skills pre-selected. Will remove my need for ReSpec if it works)
http://social.bioware.com/project/1741/#details
What mods are you running with?