Using the VAT code saves an extra £3.63, this comes down to £166.63. (delivered)
If you don't know what the Aspire One is, go and try one in curry's or comet. I happen to love the linux OS, but not for everyone. The 120Gb HDD is only £30 more, but I just wanted mine as a portable internet device.
Mine works well with my Huawei wireless 3g dongle, with drivers from the Live Update from Acer.
The best advice for tweaks I found was a website called macles.blogspot.com.