Sander,
I've checked out: you can find an excellent VA7 demo at http://www.roland.co.jp./zoomup/0101_va/index.html
Hope it helps
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Korg Kronos 61 and PA3X-Pro76, Roland G-70, BK7-m and Integra 7, Casio PX-5S, Fender Stratocaster with Fralin pickups, Fender Stratocaster with Kinman pickups, vintage Gibson SG standard.