Jen,
We also have the Voicestream family plan - 3 phones (2 free - 3rd free after $50 rebate on each phone), shared 800 anytime minutes, unlimited weekends, free Voicestream mobile2mobile - for $79.99. The anytime minutes were sufficient for us because we make alot of calls to each other and those are free. Reception seems fine in the NYC area, especially, near where we live. Reception in Orlando seemed o'kay too - except I did have weak signal while indoors at VWL. I moved out to the balcony or right up to the balcony doors and the signal was fine.
We used to have SprintPCS and while I loved my phone, my dh had problems with his. But most importantly, the customer service was awful! After hours on hold and unhelpful & disinterested reps, my dh said he was never going back to SprintPCS. They did offer us incentives to stay when we cancelled but dh said they weren't enough to make him stay. I thought SprintPCS was fine, although, the reception was a bit weak in MY OWN HOME!
At the time, SprintPCS and Voicestream were the only companies offering family plans with NO roaming charges and FREE long distance in my area. Maybe there are more choices now.