Mreik,
i'm on my first tub, but the vanilla is some tastey stuff. does have a little carmel or butterscotchy flavor to it, which my wife thought would 'get old' having all the time...but I've tasted some really heinous powders over the years, so nitrean vanilla definitely gets a thumbs up from me. its sweetened with splenda, and is a whey isolate, casien and egg albumen blend.
and from research I've seen lately, a whey + casien blend appears to be superior to 100%. similar experienced trainees gained more lean mass and shed more bodyfat on whey + casien vs. 100% whey or 100% casien.
all of them gained muscle and shed a little fat, but the best ratios of both were in the blended protein group.