I use the following UI's on my rogue:
Carnival PvP/PvE Enemycastbar
Clearfont
Combatstats
Ct_barmod
Ct_bottombar
Ct_mastermod
Ct_questlevels
Ct_raidassist
Ct_untiframes
Energywatch
Scrolling combat text
Spell alert
Stun watch
Edit: You can find all of these and more at:
http://ui.worldofwar.net/
and
http://www.curse-gaming.com/mod.php
hope this helps.