Cursor tracking in thunderbird/firefox?

[D Canfield]

I don't want to be the kind of guy that harps on his "favorite" bugs, 
but I'm finding it incredibly difficult to believe that the cursor 
tracking that is broken in both the thunderbird editor and the firefox 
textarea has not been fixed this close to release.  Is it really not 
driving anyone else totally insane, or is it just a handful of us who 
are experiencing it?  There is an open bug in bugzilla about the 
thunderbird issue, and I would expect the two are related.  I don't know 
if the editor is mozilla specific or a gtk thing, but I've not noticed 
the issue in any other gtk apps, and the issue doesn't exist on 
Windows.  Yet, it still occurs with a fresh download from mozilla.com.  
Anyone know what's going on with this?

Thanks
DC