Hey guys,
after some searching and testing i finally found a working version of the popular ui of LUI V3.
THe UI can be dowloaded here:
http://www.wowinterface.com/download...4130&aid=49329
Be sure to pick the 3.025 version since this is the only one compatible with 3.3.5 for WOTLK
http://s.cdn.wowinterface.com/preview/pvw38830.png