I am. I got the 4 on launch day, jailbroke it as soon as I could. Paid an early upgrade fee and got a white 4S for $549. A $250 premium I am certainly willing to pay for have Apple's new hardware, and I will do the same for the 5.
Maybe it had something to do with Steve, but I love these products and wanted to show my support.
Will I jailbreak my 4s? Sure, when there is an untethered jb. There are already some things I dislike about iOS 5 I want to tweak. Like Newsstand, GO AWAY. You cannot put it into a folder, I have no interest in reading magazines on my phone. That is what an ipad/Macbook is for.
I plan on selling my 32GB iPhone 4 for $300 to help recoup my over $700 bill after AppleCare+ for my 4S.