I dislike SupCom and SupCom 2 because they are no longer being supported by the developers.
Both games had so much potential, but were left in a semi-half-baked status because they seemed like a quick money grab. I've actually lost all respect for Chris Taylor, one of the biggest minds behind Total Annihilation, because he never sticks with ANYTHING he does.
Seriously let's go through the list:
Total Annihilation
TA:K
Dungeon Siege
Dungeon Siege 2
Space Siege
Demigod
Supreme Commander
Supreme Commander 2
King and Castles - a game which he didn't even finish because he went to make Age of Empires Online instead where another developer left off.
All of those games had so much potential but he never sticks with anything he does.
I love Spring RTS and Balanced Annihilation because they're constantly being updated and improved. The BA devs are working on a patch for Balanced Annihilation called Balanced Annihilation: Revolution, which completely updates all the old TA models made for a 2D engine, making them look unique and beautiful. It's the small things like that which gives a game longevity. I wait for this game impatiently, in the hopes that they continue supporting it long after it's created. It seems like their track record is good so far, with Super Monday Night Combat being the successor to the fairly lackluster first game. If they're that willing to revamp a mistake and keep supporting it, I have a lot of faith in them.