I recently picked up a Soundbridge M2000, what a great product.
Do people know that Apple Lossless will now stream from itunes to a Soundbridge? I discovered this more by mistake than design; I'd read that itunes wouldn't stream ALAC but other music server software would, but while playing tracks I tried to play one anyway and it worked. Apple made the ALAC format open source a few months so maybe they enabled itunes to stream ALAC to any device?
Anyway, it works! My setup is itunes 10.5.1 on macs running 10.6.8.