Two pin connectors are not abnormal. It just means there is neither speed control nor speed monitoring on the fan. Two pin connectors are not uncommon.
You may wish to read some of the reviews over at http://www.silentpcreview.com. Heh. I just visited and there's a roundup of 120mm fans on the front page right now.
Places I've found good for buying those things include newegg.com, xoxide.com, svc.com, and jab-tech.