Wadia 170iTransport

[AmpDesigner333]

Here's the link:
http://www.wadia.com/products/170i/170iTransport_home.htm

Three questions:
1. Does anybody out there know if the S/PDIF output is scaled for volume control?
2. Is there a similar product without the video (and smaller)?
3. Do you own one of these, and what do you think if so?

Thanks.