We've got some good techies here so
I thought I'd throw this in for discussion
Kanex Mini DisplayPort Adapter To HDMI 1080p Video w/ Digital Audio
Price: $69.99
UPC: 094922327727
Sku: MDPHDMITOS
Bring a true digital experience to your home theater with our fully digital Mini DisplayPort adapter that supports 1080p video and digital audio for Apple® MacBook, MacBook Pro, Mac Mini, iMac.
With audio limitation from Mini Displayport we've combined Apple® Mini Jack digital audio output with Mini DisplayPort digital video output into a single HDMI output solution to bring a true audio video experience with full HD 1080p video and full digital audio 5.1 support. Powered by USB so no external power source is needed.
Features
Design for Apple® Unibody 2009 Models. MacBook, MacBook Pro, Mac Mini, iMac
Supports Mini DisplayPort 1.1a input, USB 2.0, Apple® Mini Jack Optical Audio Input
Input Video Signal: Mini DisplayPort
Input Audio Signal: Apple® Mini Jack
Supports HDMI 165MHz/1.65Gbps per channel (4.95 Gbps all channel) bandwidth
Supports HDMI resolution of up to 1080p
Supports HDMI 8 bit per channel (24 bit all channel) deep color
Supports uncompressed 5.1 channel audio such as LPCM
Supports compressed 5.1 channel audio such as DTS Digital, Dolby Digital
http://kanexlive.com/products/item.aspx?id=3495
I'm buying a 27 in January and hope the issue will be resolved by then