I have a Satellite L355-S7915 Toshiba laptop. The video worked amazingly well in Mint 13. When I installed Mint 14 ( and while testing from the RC live USB), I noticed the video was very very choppy in full screen mode with VLC and Movie Player. When I installed it on my desktop computer I do not get these issues at all so apparently it is only with certain video. I will get you the only specs I can find for my video to assist anyone that can help with this question.
Intel Celeron CPU 900 @ 2.20 GhZ
3 gig ram
Video 1440 x 900 pixels
Gallium 0.4 on llvmpipe (LLVM 0x301)
X11 Vendor the X.org Foundation
Hope these specs are of some assistance. again the video is only choppy and stuttered in full screen mode.