I am a custom AV installer and have recently ben introduced to the new Nevo SL remote control & media server. So far, I can't get the Nevo SL to control the Soundbridge through the Wi-Fi, although the Soundbridge happily uses the media server.
These remote's WILL challenge the Pronto/RC for top honors, and I hope you can integrate with the Nevo SL, as I think you have the best music streaming device on the market.
For more info on the nevo goto http://www.mynevo.com or read the forums in http://www.remotecentral.com