What codec is this! It won't play... I took it to my XPpro box and it wouldn't play on that either. So not on my macs or PC. What do I need?
Michael - this might work:

http://www.videohelp.com/tools?tool=HDTV_Pump

primarily for playing back HD transport streams, handy to have anyway.

Otherwise Chris did mention the free VLC player at the top of this thread

http://www.videolan.org/