Agreed. Since server storage space has gotten so incredibly cheap (I think that I have about 2GB of available space on most of my "free" email accounts) it will be an easy and essential selling point for Qtrax or any future portal to offer "everything".....anybody who doesn't will instantly find themselves with a customer demographic comprised mainly of 14 year olds looking for Britney Spears or Led Zeppelin tunes.
Similarly, I'm hoping that as time goes by, audiophiles will eventually be courted with the offering of high-bitrate MP3's and ISO image files of entire CD's. I know that it's asking too much to bring back vinyl in a significant way, but at least they could offer a passing glance in the direction of those people who care about reproducing the original sound as closely as possible, and who have put their money where their ears are with audio systems that cost as much or more than a fine car or even a house. If the industry shifts toward electronic music delivery without offering an "audiophile option", people who are passionate about great sound will find themselves with a diminishing number of available CD's to buy, just as what happened with vinyl.
in 15 seconds somebody will have a DRM fix.