well, it appears that the current thinking on which version to use is to stick with 5.03, as there are quite a few reported problems with 5.05. Having said that, fibrizo did say that 5.05 should / seems to work.
Read the last few posts on the thread on encoding using DivX for more info.
http://www.aximsite.com/boards/showt...8411#post58411
Also, a search on DivX 5.03 or 5.05 will show many discussion on this subject.