This is my UI. Setup for Arena, its a modified Hal's UI with Addons I prefer.
Addons:
Pitbull
Proximo
Bartender3
Mik's Scrolling Battle Text
Fubar + plugins
Prat
Simple Minimap
Cowtip
Dogtags
Totem Timers
Sldatatext
Trinket Menu
Afflicted 2
Tomtom
Autobar
Not Pictured:
Party Ability Bars
Interrupt Bar
Spell Alerter
Recount
Omen