The price of the Aerosystem One has nose dived to £249 (normal price £750) which includes UK postage. At the moment this seems to be limited to UK customers only.
http://www.amazon.co.uk/s/ref=nb_sb_sab ... stem%20one
European fans can order here for £299 plus cheap delivery http://cgi.ebay.co.uk/ws/eBayISAPI.dll? ... 5578349435
Blah Blah Cafe, the Jean-Michel Jarre forum
