Older versions of CDex, like V1.50, had low bit rates (down to 8kbps) available thru the LAME encoder. This was very useful for books on CD that are primarily voice, since high rates are not required - I'd been using a max (!) of 32kbps on some. Now the min rate appears to be 32kbps. While your memory may be free, mine unfortunately is not... Any chance of getting lower bit rates back?