iso no good here, thing is, you may not get far with out buying software, or at least getting it of suprnova, alot of dvd's are copy protected. So you may not be able 2 copy the files to the pc. there are other methods of doing it mind you.
Mpeg are used for like dvd players, vcd's n svcd's n dvd's need ot be liek mpeg or mpeg 2, avi will be better compression tho.
http://www.go2share.net/dvd-to-avi/
just seen that seems 2 be allrite, n another thing they do take ages to compess movies.
Also this site looks ok
http://www.dvd-to-divx.com/
Venney
