Somebody tried to sell me an Enigma 5-string (claiming it was an Ibanez) last year, via Gumtree. Seemed decently made to me, but I had no faith in the seller and left it. I couldn't find anything on the web about them. Possibly the same maker/marketer, given the name?
Edit 2015: http://basschat.co.uk/topic/246065-very-stripy/page__pid__2841261#entry2841261