I use met-rx at about $1.75 a serving, would it be better to buy protein and maltodextrin and make my own with some grape juice for post workout? what about taste? Also, are the products any better at www.proteinfactory.com than the more marketed ones? Is the protein more pure like they say? and what about taste? They don't have flavored protein.Sorry for all the questions but I surely don't want to waste my hard earned cash. Thanks, Mike