Building a manifold for a mash tun

48 qt. rectangle cooler - $30 (Walmart)
CPVC tubing and joins for manifold - $5
Valve - $10
With tax, maybe $50 to build my tun. I used a bazooka screen ($17) for a while, but feel I get a better flow now with the manifold.

http://ultimatebrewing.wordpress.com/2011/01/18/mash-tun-assembly/
Very close to my setup.