I'm suspecting Dixieland has found the problem right there and is afraid we'll all laugh at him if he told us... Come on, tell us, did you listen to the WAV and is it OK?
I'm occasionally experiencing cut-off MP3's when I hear them for the first time in the car. The track time is ok, but a bit of the end isn't there. When I then go back to the WAV (if it's still on my harddisk) it sounds ok. Thus while encoding (Feurio! with LAME dll 3.88beta) sometimes it goes wrong. Oh well, it has just happened to me twice...
Concerning the ripping... I use two Plextor burners (12432S & 121032S) that produce excellent results. The burn app Feurio, which is specialised in audio CDs, reports when there were rip-errors/warnings. In this case you always end up with 'clean' WAVs.

Edwin de Vaan
mk2 rev.7 Trillian # 080000263 6Gb blue/red