h.264 is a considerable advance over mp4.
I don't know if the windows OS has that codec built-in yet for compression use, but I am pretty sure that quicktime for windows has a decoder, as do linux and Mac already for viewing.

If you would like to compress in this format but are unable to locally, message me and we can arrange to send a disc to me for encoding

R2-E2, 2G Prius.
Highway/City/Husband/Wife MPG: 56.5, as of 12/2005, 26K miles

Jac Nasser, Ford President: "We are planning to launch a hybrid version of
this car [P2000] within this year [1998]. We will also make FCEV available in
2004."