All I want is a link to a place I can get a 3/8inch thick copper cold plate for my peltier setup-

[A-Bomb]

Anyone have one?

[Hoot]

Try OnlineMetals.com. They sell copper flat bar stock. Different widths and lengths. Here is 3/8 inch:
http://www.onlinemetals.com/merchant.cfm?pid=4301&step=4

Hoot