Ok so i went to a store and there are like a gazillion diffferente whey supplements...

Now my question is.... What do i have to look for in a supplement

How much grams per portion is ok?
How many portions should a 5lb supplement should have?
How many calories per portion are ideal
How many grams per portion are ideal?

See this is the problem i have
A) Protein Supplement with 80 portions per container, each portion has 17.5 grs of protein, and about 80 calories Designers Whey

b) Protein Supplement with 40 portions per conainer, each portion has 35 grs of protoein, and about 120 calories Wierd Brand

c) Protein Supplement with 30 portions per container, each portion has 42 grs of protein, 115 calories? Optimun Nutrition i think

??????

Much info on whey here: "The Whey It Is (http://www.brinkzone.com/wheyitis.html)," by Will Brink.