For those not in the know the 900a is like a 901 but in the svelt chassis of an Eee PC 900.
OS = GNU Linux
Display = 8.9" Display, 1024 x 600 resolution
CPU = Intel® Atom N270
WLAN = Built-in 802.10b/g
Memory = DDR2 1GB
Storage = 16GB SSD
Camera = 0.3M Pixel webcam
This appeared a few weeks ago with a couple of online retailers in error, as the supplier had intended the shipment for a major retailer. I guess we now know who that retailer was!
See original expire thread for reviews etc:http://www.hotukdeals.com/item/259508/asus-eee-900a-1-6-ghz-atom-1-gb-ram/
It's not a perfect netbook. The SSD is slower than some and the battery could be beefier, but both of these are easily changed and for the price/form-factor I don't think it can be beat!
There is also 3% Quidco and a vouchers knocking around to bring the price down.