After finding this forum, I enjoyed looking at all the user interfaces in the forum. There are some very cool UIs. Wanted to post mine that I have constantly changed over the course of playing World of Warcraft. Here is what it currently is.
Warning: Grey bar of death
lol
Main addons: Shadow Unit Frames, Healbot, Dominos, BasicBuffs, SexyMap, TellMeWhen, RaidIconBars, RaidBuffStatus, Omen, Recount, Bazoka, Prat, Masque, KgPanels