archiving your old cassette tapes
There are many ways to archive your old cassette tapes, or convert them to more modern digital audio formats, such as mp3.
The coolest way is possibly by using this specially designed cassette deck for the pc. The PlusDeck2c is used to "archive your old cassette tapes of 80s hair bands into digital media files for playback on your PC". It even fits right into place in your rack!
Here's more info
By the way, if you're interested in an easy way to do this manually, Alpha Geek has a good how-to article on archiving cassette tapes using cables from radioshack and freeware audacity editing tools.
The Apha Geek article is here.