Haha, yeah, it crops up pretty rarely, but I could see it being useful on pic-heavy threads, as well.
ETA:
Maybe a better idea would be to somehow introduce "folding" where posts greater than a certain length get smushed and have to expanded to view, otherwise they're out of the way and less distracting.
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Edited: 04/16/2011
at 08:41 PM
by arch_8ngel