I am honestly not that impressed with iOS 4 on the iPhone and iPod Touch. given the ipad's svelte 256mb of ram, Apple better highly optimize 4 to be well faster than the current version 3 available for the iPad. When 4 does come out I will wait quite a good while before upgrading, if I upgrade at all. I really do not like how Apple makes it near impossible to downgrade to a lower version of iOS. Honestly, faux multi-tasking and folders is not enough for me to upgrade to 4. I want absolutely no performance hits on my iPad and if 4 is not noticeably FASTER than 3 i'll be staying put.