This has been mentioned in the 'cool software' thread in the El D forum, but since a lot of you probably don't go there...I thought it worthwhile to mention it here as well.
The FormTextResizer bookmarklet, found
here, allows you to expand any text box in your active tab. Merely click the bookmark once, and you can drag and expand a text box to be any size you like.
Extremely useful for posting on 2+2, whose minute text boxes makes it hard to respond to longer posts.
On the webpage, right-click the indicated hyperlink, make sure to put it in 'Bookmarks toolbar' and you're good to go.
Example of use:
...and if you still use IE, sucks to be you.