Minecraft.net is down too... But wikipedia is still accessible by clicking escape when finished loading the page.
And, wikipedias SOPA article is still open. Coincident? I think not.
Aha, somebody else that worked that out!
Seriously though, it's scary, though by-passable. If you have the IP address of the site you want, then you can still access it. If it comes in, I foresee many, many sites with many, many mirrors with lists of IP addresses for sites that have been blocked.
Also, have any of you seen TB's video/argument against/rant about SOPA/PIPA?
EDIT: Somebody pointed out to me at college today that in trying to bring down things like China's Great Firewall, the US has been actively developing weapons against
these pieces of legislation. Hypocrisy much?