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 Original Atari 800XL Home Personal Computer Console / Keyboard UNTESTED
$99.99
Atari 1200XL Home Computer with Video Upgrade
$300.00
A8PicoCart Kit Atari 130 65 XE 800 600 XL unocart clone multicart cartridge game
$19.95
Vintage Atari 800 Computer Untested
$160.00
RARE Atari Lot of 7 APX Program Exchange User-Written Software
$49.95
Atari 800xl 65xe 130xe XEGS Pico. A8PicoCart. Loaded with ROMs Gray/Gray
$31.00
Atari 800 Pokey Chip C012294 (Atari 5200/65XE/130XE/800XL/1200XL/400/800)
$50.00
Atari 800 XL XE -- SD card for the UNO cart
$25.00
Atari 800XL Computer with Retail Box Manuals Joystick Untested - Good Condition
$149.95
Vintage 300x Competition Pro Joystick For Atari/Commodore - Untested
$25.00