I use
iTunes
I have found this to be the do all, end all, jukebox. After the initial set up, pop a CD in, click Import, done. It can rip to MP3, AAC, AIFF, Apple Lossless, and WAV all for free. If you normally use MP3, give AAC a try. I feel it delivers on its promise of giving better sound quality than an MP3 of the same bitrate, and smaller file sizes. I previously ripped my MP3's at 256k, now I use 192k AAC's and can hear no difference from the 256k MP3. And I can hear the diff between a 192k MP3 and a 256k MP3.