i'd firstly suggest the same lappie i've got lol

an acer aspire 5315, comes with vista home basic, a intel celeron 1.86Ghz processor and 1 gig of ram it'll do what ya want and ya can buy one online for as little as 300 quid, first thing ya wanna do then is give it a extra stick a ram ( 1Gb) to help speed thing's up a bit

Global Acer.com