Google engineer MattCutts told the audience at WordCamp this past weekend that dynamic URLs and static URLs are treated the same by Google—with the caveat that as long as there aren’t more than 2 or 3 parameters in the URL. First Time Visit? Start Here!
You should get a chunk of the AOL buy out too. I first saw this technique used on ProgrammableWeb.com by a developer who created a mash-up of Google & Yahoo search results. I just had a chance to read the interview of MattCutts and Amit Singhal given to Wired.com, from what I speculate, very soon all the original sources will be bac in the top.