A few of you have found that after changing your password, you're unable to get back in, or you're able to get back in but you're unable to post. Here are a few places you will want to make sure your old stuff hasn't been kept around (posted here because maybe you can't read the PMs I'm sending you!)
Checking Firefox for incorrectly cached info:
Check cookies with Options > Privacy > Show Cookies...
Type "the-w" in the search box to bring up just ours (hopefully).
Again, you can type "the-w" into the search box to bring up just this site (unless you're on some wacky place that uses that substring as part of its name).