The Memoir will set you back $300 with a two-year contract and qualifying data plan (a $50 mail-in rebate is available). It supports T-Mobile's 3G (HSDPA) network and also features assisted GPS (meaning its GPS functionality depends on being connected to T-Mobile's network).

What's behind the megapixel marathon? It's no secret that the iPhone's camera is one of its weakest points. Seems to me the competition is looking for vulnerabilities and has identified imaging capability as something they can deliver that the iPhone so far hasn't.