A smaller 3G iPad. No voice plan, no contract, just data.
Edit: iPad without 3G is $129 cheaper. iPod Touch is $229 cheapest. Adding a 3G chip to it should make it <$350.
Edit: iPad without 3G is $129 cheaper. iPod Touch is $229 cheapest. Adding a 3G chip to it should make it <$350.
What you want is a unlocked iPhone and providers which offer some sort of prepaid SIM. And that very likely won’t happen.