Apple has done a GREAT job marketing and holding out on this product to get you guys to be this ecstatic about it, I heard stories of people in New York City camping outside of Cingular stores... Its ok to wait for the 2nd or 3rd generation iPhone. Don't feel like you have to be the first, it'll only have mechanical issues as the most first wave of high-profile electronics always do
But then again apple has been pretty good with products working right the first time... so have fun with you iPhone!, I have an iPod and Sprint service already, and they both work fantastic! Having an iPhone for me would be pointless except for the satisfaction of telling people that "Hey, I have an iPhone".
Also, how about letting us know how much it cost you guys total for cell phone, contract, insurance, & service the day of getting it so we know how much it cost to walk out with an iPhone? I'm curious.