ive got a Samsung n150 Plus, fitted 2gb ram. arial atom n455 processor at 1.66ghz, 250gb hard drive
awesome battery life
copes pretty well with photoshop, especially once you seek out the upgrade for the touchpad drivers....feckin 'mare otherwise.
comes with windows 7 starter (most netbooks do) but upgraded mine to run windows 7 ultimate.
around 200 quid for one, depending on where you look