This is my multi-purpose heavyweight, minimalist, raid, arena, crafter hunter ui.

It's a constant work in progress, attempting to balance aesthetics with utility and efficiency, all with a "finished" look. All the most pertinent data I need is always available at a glance, and most everything else is available with mouse-overs of the hidden Fubar top frame or the click-to-use hidden-until-mouse-over Bongos buttons in the bottom center.
Solo OOC:
Bottom frame and some windows:
In raid:
Important mods are:
Pitbull (including raid frames and MT windows)
Bongos 3
Ora2
Omen2
Mik's Scrolling Battle Text
Minimalist
Fubar
Debuff Filter
Elkano's Buff Bars
Deadly Boss Mods
BigBrother
SimpleMD
complete list of mods can be seen
here.