I had the same problem as you. Drinking protein shakes was a nightmare.
I switched to the New Whey Liquid vials. It's 42 grams of protein for 3 ounces of fluid. They're very expensive and taste like cough syrup, but for me it was my only option for the first 2 weeks. MiladyB later informed me that the quality of protein they use basically renders it useless. So basically I threw away $4 on each vial AND didn't even get any real protein out of it.

Ultimately, I had to just grin and bear it. It takes a lot of money and effort to find one that works for you, and I don't think there's an easy way around it. Now, before I purchase ANY protein powder or shakes, I make damn sure they're returnable. If I can't get my money back, then forget it, it's not even worth it.
I'm still looking for that 'magic pill' ... it's got to be out there somewhere!!!
__________________
OPEN RNY: 03/06/08
SURGERY: 300 lbs.
GOAL: TO BE A PORN STAR!
Wow Moments:
1. Tasted Mr. Devil
2. Hit Century Club in VEGAS BABY!!!
3. Reverse CowGirl ... yea baby!!!
4. Comedian Bobby Collins told me I'm "BEAUTIFUL" !!!
5.
6.