Do you mean the Aluminium beer bottle things - ie not the normal coke-can penny stoves etc? If its the latter, there's hundreds of them on ebay, at ridiculously low prices, including some camping set-ups that seems barely to cover the cost of raw materials! If the former (with "professional" equivalents like the White Box sideburner stove, or Tinny's Elite or BIOS 4 models), you're right, there's much less of these sold in the UK. As long as you can get a good supply of the bottles, why not give it a go? Make a few and try them out on ebay - if demand is there, and the price is right, you can ramp up production!
As far as a web-site goes, there are lots of them already giving alcohol home-made stove advice. But as a tool to help publicise your stove - ie a marketing tool - probably a good idea.