In box set (no longer in production, now there is only the possibility to download the sounds from the website), neither Vienna Key nor the Vsl player is necessary to play them since the sounds are compressed in .rar format and immediately usable. You can read everything here: http://www.mercatinomusicale.com/my/annuncio.asp?id=3561067&do=ok
The price is 70 euros (shipping costs and PayPal fees included). Perfect condition.