Before you consider it is out of your league remember it is upgradeable via software, and if required by off the shelf computer hardware. (Makes it pretty much future proof)
For more details the UK dealer is http://www.harmony-music.co.uk/wersi.htm you can also find demos of OAS6 here http://www.en.wersi.net and OAS7 here http://www.wersi.net/html/tontrager.html with more details on my web site http://www.wersiabacus.plus.com
Enjoy life, Play a Wersi

Bill