Just read the article..
900,000 songs :-o
Using 5mb for an average file size, that`s about 4.3TB..
And he saves them on external firewire drives with daily DVD backups (which makes 245 DVDs for a complete set,490 if you include his offsite backup, and 13 external 350 GB drives)..
I was just thinking "this guy has more spare time and money than he know`s what to do with", then I read he`s an attourney..figures :-)