http://www.dansdata.com/images/coolercomp/holes500.gif
http://forums.procooling.com/vbb/sho...es+motherboard
at ur service ;-)
as far as copper top goes. i know frag'n'stien has made a 6mm top. puzzdre has made a 5mm top.
so that can be certainly done, prolly less can also be done, but i can't vouch for less than 5mm.
u better make some blox dude