If you haven't seen this "Seven Minutes of Terror" video detailing the difficulties of landing a one-ton rover on the Red Planet tonight, then here it is, in all it's nail-biting glory:
NASA is running a live feed right now.
io9.com has a great bunch o'links too.
Here's to Curiosity sticking the landing!
UPDATE: NASA has confirmed Curiosity has landed safely on Mars. SCIENCE ROCKS!