The iPhone's best (probably) long term competition is the Android platform. We're guilty of being just a little bit interested in what those Google people are going to do with their platform. A little birdy told us that some Netbooks would soon be arriving with Android as the OS. But that's for a different day.
Today, Android is definitely stepping up the "openness" quotient in their ecosystem by offering a SIM unlocked G1 phone "to developers". It is available in the US with free