good article
http://sfgate.com/cgi-bin/article.cgi?f=/news/archive/2003/01/15/national1617EST0765.DTL
if you need some cheap software to do the job the above artivle reccomends AccessData
http://www.accessdata.com/Product07_Overview.htm?ProductNum=07
Isopure
When taking in high quantities of protein in a sitting you want high quality stuff or else you'll feel bloated. I'd go with ISOPURE (ion exhanged whey protein...the brand isn't critical)...its 100 times better than anything else I've tried.