BTW, for anyone who wants to experiment with adding a wide variety of .deb repositories (that is, for anyone who makes assiduous backups):
https://sites.google.com/site/mydebiansourceslist/Home
I remember trading info on obscure .deb repos with Craig years before he started this page. Now I find he has certainly the most informative single resource for .debs on the net. Also, I am certain Craig would be interested to here of more repos. (Knoppix is on there.)
Vintage LO FDC4MNOIO REV B3 1992 Hard Disk Drive Floppy Controller Card - JP3A
$48.00
Vintage Mouse Systems Corp 3-Button Mouse 9 Pin - Tested, Working (AA3)
$19.99
VINTAGE BOUNDLESS TECHNOLOGIES ADDS 3153
$89.99
Vintage ALPHA SYNTAURI Synthesizer Keyboard Controller Card & Cable for Apple II
$149.99
BlueSCSI V2 WiFi (Desktop) Modern Storage for Vintage Computers Latest Model
$53.50
Vintage Classic Apple Macintosh System Boot Install Disk Floppy/CD *Pick Version
$10.39
USI Smoke & Fire Wired Alarm W/ Battery Backup USI-1204 Vintage
$18.95
Vintage Easy Internet Book Third Edition
$28.00
Memorex Telex Vintage NASA Terminal Keyboard din style
$129.99
Vintage Intel Universal Prom Programmer UPP-101
$1999.00