I don't know if anyone's been looking at ShadowPlay. It's a new feature NVIDIA have embedded in their graphics cards (desktop 6XX series and up, and some mobile cards). Here's a link:
Here's the short form: game capture without any need for a separate capture card, FRAPS, XSplit, OBS or similar software to capture and encode video (H264, 1080p, mp4 output). The cards have encoding hardware built in.
