I fooled around with the comercial kegs for awhile too. I gave up due to the PIA of the snap ring and cleaning issues. Corneys are much easier.
Beers i have brewed or am brewing:
Hop Head Double IPA, Three Hearted Ale, Copper Ale, Rasberry Wheat, Scottish -80, California Steam, Blueberry Kolsh, Pale Ale, Irish Red Ale, American Wheat, Cerveza, Amarillo Pale, Chinook IPA, Power Packed Porter, Barvarian Hefewizen, Belgin Wit Bier, Apple Ale, Serria Pale Ale, Abby Blonde Ale, Flat Tire, Pikes IPA