Yeah but it does depend on the end user. There are people out there who have absolutely no clue at all. They will have no idea what linux and will have no idea that its any different than windows. They are the ones who look see a really cheap computer and end up ripping themselves off.
I did notice they are also selling this windows machine
http://direct.tesco.com/q/R.200-1525.aspx vista home basic 512 meg of ram and garenteed to run like a bag of plop within a month of running and its gonna be paging city