Use it to say hello to someone in the introduction forum, making them feel so special that they "pay it forward" making the world a better place for everyone.... that or start a discussion on rep.
Maybe make retrospective of all posts make ebook, open website, do good SEO, do good affiliate, do good adsense, do good ypn, do good chitika, sell ebok, Become RICH! and that is good ROI of 25k posts a la DP!
Yeah Minstrel you should start one on what your 8,329th post will be. Hurry. Just make sure and not reply in it.