Yeah, there is only one whey protein that you need to get. It is hands down the best protein, and the cheapest for the quality that you get. If you read any weight lifting site they will also agree with me. It is called 100% Whey Protein by Optimum. Remember the brand Optimum bc a lot of protein powders have the same name. Here is a little info
http://www.bodybuilding.com/store/opt/whey.html
As soon as my other crappy whey protein runs out Im definitely gonna buy this. Hope this helps.