the vent on the bottom isnt for exhaust, just passive heat dissipation for the ram and aids the GPU
exhaust is on the back.
a cooler with a fan under the big grill would help the most
5760 or here is anotherone that you may want to look at: http://forum.notebookreview.com/showthread.php?t=66180
it is the only notebook that I know of that has HDCP