[gamegoblin]

It's $12 at my local Home Depot for a 4' x 8' piece -- I once covered an entire room's walls in it for < $100. Whiteboard room. It was great.

[angersock]

Trick we used is to go and also buy like 3/8 chipboard and then liquid-nails the melamine to it--that gives it enough stiffness to prop up on things.