I think i was able to do this before. That is relaunch Quicksilver by typing "qs tab rel". But now the option to relaunch is not even showing in the list. It works for other applications though.
10.7.2 and QS ß60 (3850) Image example: http://img.photobucket.com/albums/v185/joarek/mac/relaunchqs.jpg
