Thanks to both of you, the G13 looks like a great complement to our Wave board. Exactly what I've been looking for the whole afternoon, thanks ;-)
For info, I successfully used my ShuttlePro:
http://retail.contourdesign.com/?/products/23 to assign memories. But it only had 4 buttons, and I didn't need the dial. The G13 seems much better.
Thanks again!