Nitpicky, and slightly off-topic, but... That would mean that you coded all of the addons you included as well.
__________________
"You'd be surprised how many people violate this simple principle every day of their lives and try to fit square pegs into round holes, ignoring the clear reality that Things Are As They Are." -Benjamin Hoff, The Tao of Pooh
You should spend some time fixing all of the inconsistent spacing and alignment.
Also, the minimap border doesn't match anything, and the three icons directly below your character have a custom border while all the other icons have no border.
The gradient background in your actual tooltip does not match the flat background of all the tooltip-style panels.
Having glowy 3D textures on the chat tabs looks strange inside a tooltip-style panel. Check out the addon Fane to remove the textures.
The bottom of your damage meter is off the edge of the screen, and it's cutting the bottom off some of the text.
Too many action buttons. You only need one bag button, or preferrably none (just press B). Use an addon like OPie to consolidate auras, seals, buffs, and professions without wasting screen space.
I have no idea what the three semitransparent black rectangles are above your action bars, but they either need to go away, or they need borders to match the other panels in the UI.
Ah yes, I didn't mean like that. I'll make sure to change that x(
Phanx, thanks for the awesome input! Those three rectangles belong to CLCinfo and are how I track my Holy Power's. I'll have some free time tomorrow, and will certainly go through the changes you suggested. Thanks