In case some people cannot get to the forums at all:

RevolvingDork says:

Hi all,

We’re aware of the 99 errors that have been occuring for the last few minutes — we’re looking into them now and hope to fully rectify them shortly.

This is the error people are getting:

Cannot assign requested address (99)

You are on webserver
Time August 28, 2007, 12:31 am

This should be a momentary issue — please try refreshing this page in a few minutes!

I get this error trying to reply to convos, get it when I click the “buy” tab, get it when I come to the forums, it’s replacing the showcase banner on the front page, etc. Other people get it listing and checking out.

edit:
Now Etsy is down completely
1:00 AM EDT

The connection was reset
The connection to the server was reset while the page was loading.

* The site could be temporarily unavailable or too busy. Try again in a few
moments.

* If you are unable to load any pages, check your computer’s network
connection.

* If your computer or network is protected by a firewall or proxy, make sure
that Firefox is permitted to access the Web.

edit:
1:30 AM, EDT

Etsy is back up again.