Aigo MID (an Asia-centric version of the Gigabyte M528) is said to be priced at $770(HK $6000).The os pre-installed is Midinux 2.0,which I think is based on hildon desktop (just like maemo and ubuntu mobile), according to the screenshots.

screenshots of Midinux on Aigo MID:
http://www.engadget.com/photos/hands...ed-mid/567787/
There is a detailed review about it.(with Midinux)
http://www.umpcfever.com/news/?postid=828
another webpage about it:
http://www.umpcportal.com/2008/05/ai...to-windows-xp/

I think it's a very promising competitor compared to NIT.