Since the K7 video is in MJPEG and is 720p, any machine with-in the past few years should decode the video quite easily. If your machine can handle MPEG-2 HD decode, MJPEG will be easier since there is no motion prediction.
The CPU will be a limiting factor if you "transcode" to another compression scheme, like H.264, DivX, XVid, etc.
For a guideline, try playing your capture with this (open-source, no spyware, no crap):
SMPlayer - General Info
Check your CPU utilization, I'm going to guess it will be low.
-slrl0ver
P.S.
SMplayer can play almost all videos under the Sun, your CPU permitting
Last edited by slrl0ver; 07-14-2009 at 12:23 AM.