What's the difference between: Macupdate Quicksilver 1.0b57 http://www.macupdate.com/info.php/id/14831/quicksilver
and Quicksilver_b56a7_3838ab.zip http://code.google.com/p/blacktree-alchemy/downloads/list It looks like Macupdate has a newer version since its build is up to 11/30/09? Please clarify
