i've got a R9700pro in mine,, here are specs
shuttle sn41g2 w tbred 2100+ 0302
2X512mb pc2700 ddr ram (1gb) running synch with bus
winfAST TV CARD
200gb 8mb cache maxtor hard drive
this baby flies!!!!!! can't wait till i mess with the l11 and enable 1.7V, then i will be able to hit 2200mhz
and yes you can fsb over clock this baby, just cut out the grill in back, it improves air flow by up to 50%, ~4-5 degC