Most mobile devices are touted by their developers as being phones, with some computer related apps available to use. Nokia, on the other hand is stating their N900 line is a mobile computer which has a phone application option.
The N900 is powered by Maemo, a Linux based platform. With Maemo, Nokia is able to include a wide variety of apps and services not available on many mobile phones.
The N900 comes standard with 32GB of internal storage, with options to expand with a memory card. A fully function touch screen, with a QWERY keyboard is included. The device uses proprietary Ovi services, and there is a large selection of apps on the Ovi Store.
The device comes unlocked, so you can use it with any carrier utilizing GSM. The Nokia N900 retails for $569, and is currently available for purchase.