Yeah, MusicMatch/Fraunhofer does a pretty good job with CBR files, but when it comes to VBR files, it doesn't cut it. It's not a high priority because the average user doesn't understand VBR enough to use it anyways.

I've been using EAC/LAME to do all my ripping (with alt preset standard VBR) and love it. It does a really good job. Slower than MMJB, but much more accurate and error-free.

Once I'm done with my ripping, though, i'll definitely be going back to MMJB to fix all the tags.