I would consider paying the $100 to register as an Apple developer in order to try the iOS 8 beta on my iPad 3. First I'd like to know if the performance is on par with iOS 7.1 2. This brings up an even longer term question as to whether the iPad 3 can handle iOS 8, or if it is upgrade time to a newer iPad. One thing I'm looking forward to is alternate keyboards. That is the one gripe that's kept me from being comfy with iOS overall. Nor I don't expect the iPad 3 to fully support all the new features. I don't think I'd try beta 3, but perhaps a later beta version or the GM. I seeing to many complaints to try beta 3 right now.