Retro --
Steel: Yeti FRO (got 198
Alu: Pace (got RC200 F5)
Ti: Merlin XLM (got Mountain 1994, so close enough for now!)
Carbon: Probably that Spesh that Pace bought (still room in my garage for it, mate!)
Modern:
Steel: Indy Fab
Alu: hmmm, no idea actually
Ti: Moots
Carbon: Scott Spark Team looked very nice, but the Seven ti / carbon jobby looks pretty special, too. Or even the S-Works?
steel: charge duster
titanium: cotic soul think thats there ti frame
alu: santa cruz's DH frame same as peatys
carbon: that stuff can go where all the crap bikes go in the skip
Steel ; Something handbuilt by Vanilla or Soulcraft
Ti ; Steve Potts has done some nice stuff lately
Ally ; Mantis Pro-Floater, retro heaven
Carbon ; Stork Organic
Aluminium - GT Zaskar - everybody wanted one - I had an original with full and U-Brake on the Seatstay
Ti - Bontrager Titanium - have a customer with one (with childseat - how cool!)
Carbon - Trek 9900 OCLV - one of the twin colour ones (Yellow one side / eggplant (purple) the other) OR Team version (with with blue graphics one side - reversed other)
Mixed - Fisher CR7 i wanted one!
That particular P-23 is in my sad eyes the most beautiful bike ever made!
MTB-
Steel: Brodie Sovreign 1993/4
Aluminium: Pace RC200
Ti: Either DBR Axis TT or Orange Vit T 1993
Carbon: Formula 1 1992/3
Road-
Steel: Eddy Merckx 1993 Motorola team edition
Aluminum: 1992 Vitus Duraluminim
Ti: 1994 LeMond (the original blue fade over natural Ti) or 2006 Merlin Cerene
Carbon: Look, any age.