To many actionbars especialy if you can track CD's via Cooline or fortexorcist.
Horbile font for combat text
Try to gather info for rotation in one area : cooldowns , procs etc.
You realy need to know and see the dps of 12 ppl in detail all time? imo make dps meter smaler!! ->same for treath meter
If you wana be smart adjust Skada/Recount in that way that you have 1 window that shows Treath in combat and DPS out of combat.
Try to use same borders in UI and skins for your icons.