A sudden vast increase in traffic to my blog (no, not another war in Georgia) has been caused by someone spotting the post (here) about how we successfully sued Easyjet in the Small Claims County Court, but did it online which was very easy. Thank you lightbluetouchpaper.
It only works for suing British firms or firms with offices in England and Wales.
However, a friend has also found there is a European version for crossborder claims. You can find out about it here. To get the form, you need to download the Regulation, (the form's an appendix) but it seems to explain what you have to do.
It only applies to claims up to 2000 Euros, which is not a lot, but enough to be helpful with budget airline problems.