Way too many to count or inventory. Just to give you an idea:
For Babylon 5:
Two star furies
One B5 station
One baraki cruiser
One Narn heavy cruiser
BSG:
Viper Mk II
Cylon raider
Cylon base star
and the galatica, both the new one and the original series
2001:
Discovery
The moon bus
The clipper ship that was just released
Star Trek:
very small scale: (1/2500)
movie era dreadnaught
Movie era scout
and Akyazi class
Now to the kits that are not resin
Two cut away enterprises
Two 1701A
One B
One excelsior
Two C's
Yamaguchi
two D's
One E
Two reliants
Two Defiants
Three Klingon bird of prey's
Two voyagers
The adversary set
Two romulan bird of prey's
K9
Galileo
Marque ship
Kazon ship
One 1701
Two Klingon battle cruisers
One of the newer Klingon battle cruisers
and I know I am missing a few of the resin kits and other such kits.
Now from polar lights:
one 1701 Refit 1/350 scale
two NX 1/350 scale
one NX 1-1000 scale
two 1701 1/1000 scale
one 1701A
one 1701C (1/2500 scale)
One klingon battle cruiser
Vulcan shuttle
I am going to stop there, I still have to hit the star wars models, Gundams, Ma. K. cars, planes, and others.