The gnat came in 3 versions;
Standard - plastic casing, tiny speaker, touch sensitive keyboard, black and yellow keys, white and yellow knobs. Special - wooden casing, no speaker, touch sensitive keyboard, black and gold keys (inverted), black and white knobs. De Luxe - wooden casing, tiny speaker, moving keyboard, black and white keys, black and white knobs.
Sure, this sucker has only one oscillator, but with it´s unique construction it sure has a sound of its own (together with the wasp). Peter Forrest mentions the different versions in his book "A-Z in analogue synthesisers" and the special is supposed to exist in only two copies. I've contacted Peter and he has verified that my copy is another one - so make it three! Anyway, all three versions are considered very rare. Even rarer than the wasp maybe since they weren´t as popular back in 1978 when they appeared... Collectors are fast getting their hands on these so if you find one - buy it!