My roster currently stands at 85, with a further 4 "leased" units that I have in my possession but haven't paid for yet.
There's a mix of Lionel, Athearn, Bachmann (Plus and Spectrum), P2K, Kato and odd-ball RTR, plus a fair amount of brass.
Steam and diesel, Mikes, Pacifics, a Mallet 2-6-6-2...