iOS 4 was a free update for all, so we're guessing most of the TiPb nation grabbed it immediately. Even Jailbreakers might have finally been coaxed back to stock with the addition of multitasking... or not? (You tell us). iPhone 3G/iPod touch G2 owners had to balance performance concerns with less features. And iPhone 2G/iPod touch G1 owners -- frozen out (sorry!).
Where do you fit it? Gone and done it, holding, or not gonna do it? Hit the poll up top and then give us your story in the comments below.