We were internally. That's where I've been the last few weeks (aside from the holiday). I'm helping our sustained engineering team with figuring out issues on Update Rollup 2. So far we've solved a bunch of problems and sadly most were not even related to Update Rollup 2 directly. Not your problem, I know, but after spending time working on a project and then having issues sure takes the wind out of the sails. Anyway...
We've been hearing about TV glitching on dual core AMD machines from various folks. Problem is actually on the AMD side and is mostly likely related to the Hardware Abstraction Layer.
Here’s what you do if you see glitching on an AMD Dual Core proc.
Install the update for the processor on this page: http://www.amd.com/us-en/Processors/TechnicalResources/0,,30_182_871_13118,00.html specifically the dual core processor driver, http://www.amd.com/us-en/assets/content_type/utilities/amdcpu.exe
So far I’ve be running live TV for over a day with no issues.