Encoding to 2 channel mp3 - Should I use the 6 or 2 channel ac3 track?

Alot of the dvds I rip have both a 2 channel ac3 track and a surround sound 6 channel track. Which should I choose to encode to mp3 for my DivX rips? Thanks, BluDChyLD

5.1 channels 

i woudl alwaus go 5.1 on some dvd's the 2 channels is the old version wherea the 5.1 as a new digitally remastered version which contains i higher quality soond besdies when going from 5.1 to 2 channesl you haave the abilility of encoding "dolby prologic" (4channels) and Dolby Prologic II "5.1) channels) into the stereo mp3

read the FAQ 

Audio FAQ #3

Besure \ Besweet Question 

Hi Nick, this is a classic question. for classic questions we have the audio faq. (hint : q3 ;) )

Any Ideas? Thanx --balbrain

Really You Use The Search Feature?

Oops! I did search, but apparently it wasn;t a good attempt. Sorry :) Thanx --balbrain