I also have the blue/yellow Gan frame like Jamie's.
However for me the Holy Grail is the 92-ish titanium frame, as per the magazine article here:-
I nearly bought one new from Parker International around '92 and always wish I had. In years of searching I've never come across a s/h one. Perhaps very few were sold?
Colnago World Cup
Colnago Master 30th Anniversary
Merckx LXM ][ Greg Lemond Gan Team