Budweiser American Ale (if they still sell that) uses pop-tops, if I remember correctly.
Sierra Nevada's beers can be had by the 12-pack for just over a buck per bottle (I just bought Ruthless Rye from a grocery store for $13.49 a couple of weeks ago).
The Fiesty(sic) Goat Brewery est. 2007 & Clusterfuggle Experimental Ales est. 2009
Primary: Saison, Berliner Weisse, sLambic I, sLambic II, IPA, 70/-
Secondary: Orange Blossom Mead, Flanders Red I
Kegged: Fat Man Porter w/ 1469, Fat Man Porter w/ 005, Centennial Falcon w/ Conan, Centennial Falcon w/ Denny's, Barrel-aged Fat Man Porter, Belgian Dark Strong, Dark Mild