I usually do a split...one or two 2-liter bottles, a few 22s, and the rest in 12s. Although, I did take my first crack at a Belgian recently and bottled that all in 750ml bottles for nostalgic purposes, but that was just last week. I have lots of different bottles on hand, so I can decide what I want to do. I bought a couple of Grolsch-style flip-tops at a local kitchen supply place, look to be in the 24 oz range, and tried one out. It survived a month of pressure, so it's a viable bottle, but at $3.99 per bottle, it might be cheaper to buy then with the Grolsch in them!