They are all great in their own way.
The Zaskar because it is what you used to see weekend in weekend out on the trail or the race circuit and is therefore the essence of nostalgia.
The Slingshot is an artefact worthy of the MBHoF.
I love the Fisher's non conformity eschewing Shimano componentry and for it's style and flair.
The Dean is proper dream-bike / super-bike territory and what most of us would have lusted after BITD.
But for me the Formula 1 wins, Deb Murrell, typically British (over) engineering, hints of the heady days of Boardman and Lotus, warm summers, the smack of leather on willow, sun going down over the village green...