Thanks any way but this is what I needed to know > http://www.keyelco.com/products/prod...bCategoryID=26
Click on standard blanks then pci with tabs. The bracket is .750 inches tall with .100 added on the bottom to make it .850 total. I'd say 3/4 inches to be safe.
Ok so on the antec 1200 the vent in the back is roughly 5.25 inches tall and 2.25 wide. Roughly the side of a bay for optical drives.
I have got this killer idea for keeping graphics cards cold and not cost an arm and a leg to do it. I'll be working this idea out in my head and blogging it you know where.
Thanks for all your help.