Here's some really good info to help you guys figure out the best sized turbo for your application. It really breaks it down so you can understand how to read a compressor map and figure out what to look for.

http://www.lovehorsepower.com/MR2_Do..._flow_maps.htm

And here is a calculator that breaks it down into cfm, rpm, and boost pressure to help you even further in plotting on a compressor map. Very handy tool!

http://www.lovehorsepower.com/CFM1.htm

Check 'em out, the calculator will do both cfm and lb/min outputs to make life uber easy.