Part of the challenge with mainstream adoption of WMA Pro is the cabling required to install. 3 cables from your sound card into 6+ RCA jacks on your receiver if you support it.

Why can't you just plug in a single optical cable like you can for Dolby Digital? Now you can starting at ~$179.00US. Pioneer has started shipping their new line of receivers with WMA Pro support and all sorts of goodies. And you get a whole bunch of formats to boot.

What is WMA Pro? WMA Pro offers full 5.1-7.1 audio that's was the world's first for the Web, and is also distributed with HD movies on WMV HD discs, movies, trailers etc at a fraction the size of other surround sound audio formats.

If anyone gets one, I'd love to hear your feedback.