Supreme Commander did get better...

Recall the beta review (which was still true post-release) where I ripped Supreme Commander for playing like frozen crap pushed through the grating behind your computer's power supply.

Things have gotten remarkably better.

• The game doesn't become a jerky, choppy, chop-fest anymore. The game does, however, slow down. Basically it's as though the game speed itself was automagically scaling (some RTS's have a game speed slider most of us leave at "100%" - well imagine that that slider automatically decreased as your computer begged for mercy, and that's what happens). I still find this annoying because a 4v4 game will become slow and drawn out; however, it is actually playable versus before where you couldn't accurately click on units.
  
• Supreme Commander no longer has a CD check. Just install the game and play it.
• Choosing where each player's start location is in a Skirmish / Multiplayer match is now easy - the menu color codes things for you so you can tell.