I have 10 GBs in 128 AAC with all but ~250 MBs ripped from CDs that I own (or my sister, or my parents). The 250 includes MP3s of radio shows and demo music from band's websites, etc.
If that was all lossless it would be ~30GBs; about 250 CDs worth of music.
If that was all lossless it would be ~30GBs; about 250 CDs worth of music.