Julian Colbeck: QQVV (*) [KEYFAX2]

Peter Forrest: 53 [A-Z of Analogue Synthesizers]

Vintage Synth Explorer: 4.7/5

Harmony Central: 8.9/10

sonicstate.com: 4.6/5

(*) Not too much - QQQVVV would have been the highest. However, ARP Odyssey has the same rating while Crumar Spirit got less than that. Hmmm...

definitive website:

None that I know of.

also worth checking:

Korg Kornukopia

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