Nokia is planning its RX-51/N900 tablet based on the Maemo 5 Linux OS. The new tablet has been previewed by mobile-review. The Linux-based tablet has a side-slide form factor and comes with full QWERTY keyboard.
Based on ARM Cortex-A8, the processor that boosts iPhone 3GS and Palm Pre, and gets 32GB internal memory. It has a color touchscreen, a 5 Megapixel camera, and a microSD card slot. It support WiFi and Bluetooth connectivity and we can expect 3G/3.5G support.
You can see full preview here.