price: 65 USD platforms: Vic20
MIDI, RS232, RAM, MIDI controller software
VIC-MIDI features MIDI-IN, OUT, and THRU support, RS232,65 512kB of VIC-programmable FLASH ROM and 128kB of RAM, both supporting the UltiMem expansion system
The unit comes pre-loaded with Leif Bloomquist's MIDI controller application.
Find out more / buy at: http://store.go4retro.com/vic-20-midi-cartridge/