Clevo showed the 12 inch convertible Tablet PC „TN120R“ at Cebit in Hannover, several favorable reports have appeared on the web, e.g. on Gottabemobile or Slashgear („amazing“).
The device is already available in Germany, you can buy it in the web shop of German assembler Schenker („MySN“) based in Leipzig. Pricing starts with 699 Euro (currently around 1100 US-$) including a Celeron M540 (1.86 GHz) CPU, 1 Gig of RAM, 120 GB HD, no WLAN, no OS. High end version with Core 2 Duo T9500 (Penryn) at 2.6 GHz, 6 MB L3 Cache and 800 MHz FSB, 4 GB RAM, 64 GB SSD, Intel WLAN 4965a/g/n and Vista Ultimate currently costs 2,199 Euro (3450 US-$).
The TN120R is a 12 inch Tablet with 1280×800 screen resolution (no info of brightness) and a weight of 2.1 kg. The TN120R is based on Intel GM965 chipset. It includes X3100 graphics (no dedicated RAM), a 2 Megapixel webcam, Bluetooth, 7in1 card reader, 3 USB ports, FireWire, GigLAN, 56k modem, DVD burner and a digitizer pen. Optional components are CPU, WLAN, HD size, RAM, 3G. Drivers are available for Windows XP (x86) and Windows Vista (x86 and x64).
Lowlight seems to be the battery which is a 4-cell 2200 mAh thing.
No info available on screen brightness. It seems to be a digitizer
Conclusion
Tablet PCs will get more awareness for the mainstream users due to the affordable pricing. You can get a decent Tablet for under 1000 Euro. This should effect prices of business tablets and increase market share of Tablets.
Product page Clevo
http://www.clevo.com.tw/en/products/prodinfo_2.asp?productid=63
XP and Vista drivers, user manual from Clevo
http://www.clevo.com.tw/en/e-services/Download.asp
TN120R at MySN shop
http://www.mysn.eu/shop_asp/?fwlink=fwDIRECTPRODUCT&prodnr=adkk0001
Tabletprofi 
according to agerman review site (google it)the touchscreen is unusable