And this is how rumors get started.
I don't have any info on BitInstant's maintenance shutdown but yes, them going offline with no advance notice and no ETA does seem odd.
That being said, I'm also having trouble posting to Tumblr at the moment under basically the same situation.
[Edit: Outages all over ...
Bitcoin Faucet:
- http://freebitcoins.appspot.com
uses Google App Engine, which is down.
Dropbox is apparently having troubles as well.
- http://techcrunch.com/2012/10/26/google-app-engine-down-with-major-service-disruption-as-dropbox-and-tumblr-also-suffer ]
www.perdu.com is down too !
I've had a lot of trouble with many site too lately, checked my own connection, all fine