Ah yes, this is an affliction I suffer as well, I seem incapable of throwing them out. My collection is (and I am chuffed I can remember this!):
2 x Maxxis Minion 2.7″, dualply, super tacky with DH tubes
1 x Bontrager Big Earl 2.3
1 x Conti RaceKing 2.2
1 x Conti Vertical 2.3
1 x Kenda Nevegal 2.1
1 x Maxxis High Roller 2.35
1 x Maxxis Advantage 2.25
2 x Schwalbe Blizzard 25mm
2 x Vittoia Zaffiro 23mm
2 x Schwalbe Ultremo 23m
2 x Challenge Forte 23mm
2 x Some old road tyres from a beater I refurbed for a friend
In fact, anyone what any tyres?!?!?!