I'll try narrow mine down:
Space Marines
HQ
Chapter master + honour guard (modelled them now anyway).
Librarian (conversion from Ezekiel)
Librarian in termie armour
Captain from AoBR
Emperor's champion (gonna convert him into a special character)
Chapter banner bearer
Chaplain riding an old school Imperial guard jetbike

hell yeah! I loved mail order back then!
Captain (conversion using Azrael)
TROOPS
Found loads of old rtb001 marines, old plastic scouts, termies etc so gonna see what I can muster from those
10 Tactical marines
10 AoBR tactical marines
2 old rhinos
1 new rhino
1 razorback
Sgt Tellion conversion (from an old metal scout)
FAST ATTACK
5 assault marines basecoated
5 assault marines
4 bikers and 1 assault bike
ELITES
Old 90s dreadnought (CHUNK!)
A load of termies (first box set) including an assault cannon, heavy flamer a few chainfists and a cyclone (tho not the old model sadly).
5 Sternguard 60% done
HEAVY
5 devastators (old metal and some static missile launcher marines - a couple with swaps will be okay)
5 devastators basecoated
Old predator
Old landraider
Also have:
TAU
1 Hammerhead
1 converted Ethereal
One Ethereal (painted but not happy with it)
One squad of firewarriors (painted but dont like scheme anymore)
Box of firewarriors
Box of kroot
Crisis suit
Vespid squad
Those are on the long hold atm though.
WARHAMMER!!!
High Elves
Eltharion the Grim on Stormwing (one of the surviving elf models from my old army)
16 Spearmen (assembled 4 as seaguard... all going to be seaguard)
16 archers (assembled)
8 Silver helms
Repeater Bolt thrower + crew (assembled)
2 Old metal hero models I can convert
INFINITY:
Nomad sniper
Nomad hvy machine gunner
Ariadna starter set (pinned and undercoated - changed mind about colour scheme)
Yu Jing starter set (need stripping)
MALIFAUX:
Gremlins starter set (painting one atm as a tester)
CONFRONTATION:
Praetorian guard boxed set
plus many more...