Where can I find a comprehensive list of armored and light units? Are there any other relevant classifications?
This should help you, if not just type what you are looking for into Google or something and you should get a ton of web pages with this information. http://starcraft.wikia.com/wiki/List_of_StarCraft_II_units
Off the top of my head (Well i ended up checking a few >>) Light: Protoss \ Terran \ Zerg Zealot \ Marine \ Banelings Sentries \ Banshees \ Zerglings Phoenixs \ Ghosts \ Hydralisks Observors \ Hellions \ Mutalisks High Templar \ Reapers \ Broodlings Dark Templar \ Ravens \ Infested Terrans Interceptors ALL WORKERS Armoured Terran \ Protoss \Zerg Marauders \ Stalkers\ Infestors Vikings \ Immortals \ Roachs BCs \ Colossi \ Ultralisks Thors \ Motherships \ Corruptors Siege tanks \ Carriers \ Brood Lords Medivacs \ Void Rays \ Overlords/Overseers Mechanical is significant for terran SCVs The rest are obvious i think Massive is also useful to know Mothership BC Colossi Ultralisks Thors Biological is fairly straight foward SCVs are both biological and mechanical They're err good to memorise for counters >>
Well corruptors do a bit of extra damage against them, Marauders can't slow them, phoenixs can't lift them and Ultralisks and Colosii can crush the sentries barriers. Additionally the colosii is considered flying as AA can hit it.
the only thing i can find is that massive units cannot be picked up by phoenixes gravition beam. and this isnt a massive trait but collusi cant be hit by ATA units
And although zealots are light and marauders do extra damage to armored, marauders are the counter to zealots? If not, what else? And what counters (fast) void rays? Marines melt once they are charched up... Only vikings?
Massive is a unit property given to things like Battlecruisers, Carriers, Ultralisks, etc. It's just one more armor type, though not a lot of units do bonus damage against it.
Thors should be attackable with AA like Colossus. Ultra's shouldn't share that designation as they cannot attack air units and they definitely dont melt ground units like colossus. It's almost impossible for ground units to kill a few Colossi, but they can kill ultras.
i dont know about that one... i mean thors aren't really that tall are they? i think it will completely change the battle if that happends... ^^ and if it does... then the thors should get a buff (i just dont think it would be too fair if air-to-air units could shoot thors) even though im a Zerg player!! xD
Thors aren't mentioned in the list of massive units, but they are definitely massive-type. They can't be lifted and can break force fields