How committed are you to WMP? I'd suggest using EAC to rip and for converting to mp3 (with the lame codec). It'll use freedb instead of cddb and is the best cd ripper you can use. Remember to use test/copy for guaranteed good rips.
Exact Audio Copy V0.95 beta 4:
http://www.exactaudiocopy.de/
Lame codec:
http://www.free-codecs.com/download/Lame_Encoder.htm