I deleted the App Store application with AppCleaner some months ago, after ongoing problems with a freezing Finder. Now I would like to reinstall, but I cannot find a way. The 10.6.6 combo updater of course will not do the job because it needs an older OS X incarnation and I'm running 10.6.8.
at the link above.
This guy extracted the App http://www.qubesys.com/reinstall-mac-app-store/