i have exactly 1000 mp3 cds (all my collections stop at 1000 because of numbering systems in divx collection programs - so now i'm writing my own media collection software), with anywhere between 1 and 16 albums on a disc, 99% of discs burned contain between 680 and 704 mb, i'm currently tagging & renaming to weed out busted albums, duplicates and broken files, but all told... i have around 13-14,000 albums. this is mainly due to jazz... i have 275 different albums between miles davis and john coltrane alone. most of these are encoded at 192 or 128, as storage and $ WAS an issue when i started this collection in college. they will be re-encoded with lame-vbr at some point.
and if anyone's wondering, no i did not buy ALL these cds BUT i did buy 99% of the jazz, which accounts for: about 1/3 of the collection, my encyclopedic knowledge of music stores in nyc, and maybe 3 or 4 years of my life.