No iPhone in Puerto Rico, US
Apple had a store in PR ~20 years ago. Right now there are no Apple stores here, although everyone else is here (CompUSA, Sony Store, Modernica ( http://modernicaonline.com/ ), Office Max, Radio Shack, ...).
iPhone not available in this stores, including corporate AT&T stores.
If someone from Puerto Rico is able to use or activate the iPhone let us know. Puerto Rico is included in AT&T's US coverage.
15" MacBook Pro, Mac OS X (10.4.8), 2GB RAM