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.)
Atari A8 800xl 65xe 130xe XEGS Pico Kit Fully Assembled Multicart A8Picocart
$30.00
Atari ST Grand Finally Software Bundle
$189.99
Atari A8PicoCart For Atari 800 / XL/XE Series and XEGS
$25.00
Atari Educational System Disk Lesson CX6015 - Used Untested
$5.00
ATARI ST DIN13 TO VGA ADAPTOR LOW-MEDIUM/HIGH SWITCHABLE WITH AUDIO OUT
$20.08
Atari Home Filing Manger Disk Software CX415 - Used Untested
$10.00
Atari In-Store Demonstration Program cartridge CXL4019 for Atari 400 & 800 XL XE
$139.99
Atari Power Cube 800XL, 600XL, 65XE, 130XE, XEGS USB-C Power Supply PSU
$11.25
Atari 2600 4 Switch Console in Box. See details.
$31.99
A8PicoCart Kit Atari 130 65 XE 800 600 XL unocart clone multicart cartridge game
$19.95