General Knoppix support for those who've read the FAQ at the Wiki
NCR Mechanical Keyboard USB Wired 01027100 Beige Mainframe Collection
$232.99
IBM mainframe server cpu IBM93 vintage cpu collector's item
$125.99
Digital DEC LK201 Terminal Keyboard RJ11 Connection Mainframe
$49.00
Vintage IBM 4341 / 4361 / 4381 MCM Processor Mainframe CPU
$120.00
Sun Microsystems Ultra ENTERPRISE 4000 Server Vintage Mainframe Computer
$2750.00
Vintage Mechanical Keyboard 5121 Mainframe Collection XT/AT Connection
$17.99
*PAIR* 1960's Vintage GE-600 Series Mainframe Computer PCBs Bitslice Accumulator
$14.95
IBM FRU26F7630 3390 DASD Hard Drive 10.8β from Vintage Mainframe
$299.99
BTC Mechanical Keyboard Mainframe Collection AT/XT BTC-53 Metal Backplate
$143.99
Unisys Mechanical Clicky Keyboard AT/XT PN:F4208-00 Mainframe Collection
$319.99