Isopure mixes like better than any protein that I have found. Kinda spendy tastes not bad either. I hate the sludge mixture with many proteins also. Here is a little tool that makes mixing a breeze with any protein.
http://www.bodybuilding.com/store/vm/power.html
I don't think you are looking for advice on this but it is the best mixer out there I have found, so I thought I would share. It def makes a big differance when you are getting 3-4 protein shakes a day. Mixes 2-3 servings of protein with 10-16 oz of milk very nicely.
Thanks for the info on the whey cooler product. I will look it up soon after I get rid of a few 5 lb jugs calling my name. It is always nice to hear about good tasting products. They are making improvemants in that department, and it about damn time.