My opinion of it is that it plays video back fine.
The only thing I could imagine being a problem is if you use a motherboard that is not set up to take advantage of the integrated gpu, or is that not even a real issue?
I have used nvidia for 10 years mostly out of comfort with their control panel, but my next system will probably be built in the next 6-18 months and will use ivy bridge or whatever replaces it.
The Atom processor in my netbook struggles w/ HD playback, but I don't think thats the debate here
