The lights are on
Anyone else have StarCraft II try to melt their hardware? Blizzard admits that it's a known issue and has a fix for you.
Apparently, the game's menu screens aren't framerate-limited. This means that when there's nothing else going on, your graphics hardware renders the bejeezus out of those screens, causing nasty overheating problems. The fix is easy, requiring players to add the following lines to your "Documents\StarCraft II Beta\variables.txt" "Documents\StarCraft II\variables.txt" file (nice catch, commenter LegolElf):
Good to know. Personally I would have appreciated a heads-up before my video card fried, but maybe this can save someone else from the hassle I've been dealing with since yesterday afternoon.
On a related note, Blizzard explains StarCraft II's system requirements in detail here. If you're curious, you'll get a much better answer there than you would from me directly. So stop asking and read the official post already!
[hat tip GiantBomb]