Is there a Q value in CCE that I shouldn't go below of? I'm using Q value of 20 and still has space on the DVD. I don't know whether to increase the max bitrate in CCE or just keep lowering the Q value? Which is better? People have been using Q value of above 30, I don't know if there'll be undesirable effect if I go below that and becomes closer to 1.

Increase the max bitrate to 9000, I can notice difference in Q factor as low as 16. So with Q16 and max 9000 you should be able to get the size you want.

[]'s
VMesquita

What is the max bitrate you should normally encode with CCE, given your source is divx/xvid?

despite the fact you shouldn't do KDVD from a xvid (see the other thread where we are talking about that), K-notch matrix and Vmesquita CCE template are so efficient than I do everything with MAX=4500. And there is no real problem.

okay but at a max bitrate of 4500 is it still possible to fit 2-3 movies per DVD, or does the CQ become too high for that?

I actually do 2-movie DVD (both with two audio and one subtitle stream).
I plan to make a 3-movie DVD but for that I will use 544*576 as resolution for that. At 704*576, more than 4h of video is too much.