http://www.exactaudiocopy.de/ is probably one of the best windows rippers, uses freedb to look up stuff...the ripper is very good with correcting problems with the disc (scratch etc.) and you can use any file type you wish as long as you have the encoder program. (lame, mpc, flac, ogg, monkey audio, aac (faad2).
edit: anything that uses cd paranoia should be fine too....