I live in Eastern Canada and make a yearly trip to Florida. Last year, I brought my iPhone with me and simply purchased a talk and text international roaming package from my provider. The rates were really good and I was satisfied with what I was paying. However, I was only getting 1 or 2 bars in the best of service areas while using AT&T's network. I was in Disneyworld and had a chance to sneak a few peeks at other people's iPhones who were using AT&T as their actual network (and not roaming, like me) and they were getting 4 bars in places I was getting none. I decided that this was simply because I'm an international roamer and these people actually are on AT&T and therefore get the better service. And no, this is not a hardware issue. So I guess what I'm trying to say is that next year I'll be purchasing the same package from my provider (Telus) on my iPhone 4 and will also be bringing an unlocked 3Gs with me. I'll end up buying a pre-paid SIM from either T-Mobile or AT&T to use in that 3Gs. All I want is unlimited texting and maybe a little talking but that's not necessary at all. I will be staying in Orlando as well as Cocoa Beach and I am essentially wondering who has the best coverage for those areas. Thank you!