Well I will support the 24" camp since I have loved mine since the day I got it.
I am also currently trying to sell my 24" w/ applecare for below refurb prices so that may sway or influence you into purchasing a 24" model.
If you or anyone is interested give me a PM and we'll talk.
I'm not sure how good of a salespitch that is. You start out by saying how much you've loved your 24" since the day you got it and in the next sentence that you want to get rid of it at a low price.
I wish you the best of luck on your sale though.
For the record I've loved mine since the day I got it too and wouldn't think of selling it. (for another 2 years or so at least anyway)