I've got a project that was using an older version of OF before (OF 2.4.4) and was set to iOS 2.2.1 for the deploy target. That worked fine until I build with the 4.0 SDK. Now OF crashes as soon as I try to open it. So I just dropped in OF 2.6.1, and suddenly got over 13000 compile errors in the OF code. I found that switching the deploy target to 3.0 made all the errors go away. In addition, the crash that occurred in OF 2.4.4 doesn't happen, so that is good, but I don't know if requiring iOS 3.0 for an app that previously only required iOS 2.2.1 is going to go over well. Is there any other way to make OF 2.6.1 compile cleanly with a 2.2.1 deploy target? OpenFeint technical support is nowhere to be found after repeatedly asking them for help in their forum. Alternatively, is the iOS 3.x update available for free to iPod Touch users? If existing users can just upgrade for free then I won't feel bad for setting 3.0 as the minimum.