Lots of guys build pretty impressive 235s. If you were up here in Canada, the 261 would be much easier to find since most Pontiacs here came with the 261. All the same stuff fits both 235 and 261, but if you're running an a limited budget and don't want the 216, I'm sure it would be a lot easier to find a 235. I have a 235 sitting over in the corner. Another option is search the entire country for the engine and have it shipped by Fastenal. I bought one in Iowa and had it shipped to NY for about $200. You might find one cheap in a broader sweep.

Warren