Dannyalcatraz said:
Anyone remember Starfire, the stripped down precursor to Star Fleet Battles?
It's actually still around, the Starfire Design Studio does occasional expansions and updates.
One of my favourite classic wargames is
Demonlord, by Dwarfstar Games. Has a lot of cool stuff going on for a minigame, and the setting's pretty neat. Best of all, Reaper Miniatures now owns the rights, and they've made it available for download at the above link. They've done the same with lots of other Dwarfstar/Heritage games, Star Viking and Barbarian Prince are both pretty decent, don't remember the rest.
I also owned most of the old TSR minigames (Revolt on Antares, They've Invaded Pleasantville, Remember the Alamo, Saga, Vampyre... there were probably more, those are the ones that left an impression). Dragon Magazine used to publish some pretty good minigames once or twice a year (by "used to" I mean "around 1985-1990 or so when I read it regularly"), and TSR put out a box set of "The Best of Dragon Magazine Games" that still occasionally pops up in stores.
Another game that really deserves a mention is Tactics II, which I believe was the wargame that basically kicked everything off for Avalon Hill. The game itself isn't necessarily brilliant, but it is a little bit of wargame history.