MacPro 1,1 (2006 i think), 9 gig ram, 2 dualcord 2 GHz
5box on 4internal, one exteral HD
ATI Radeon HD 3870
27' samsung for main, 4slaves on 20' turned 90 degree for long document and web browsing

Leatrix Gfx http://www.wowinterface.com/download...eatrixGfx.html
VERY IMPORTANT addon, it reduces any WoW window in the background to 5fps. It has almost triple my main's framerate.