iVideo (http://ivideoapp.com/), a movie organizing and sharing app for Mac OS X (10.3 and higher) has been updated to version 4.5 The new version adds Quick Look support, faster importing and more.
iVideo lets you create one place for your movies — whether they be in separate folders, external hard drives and CDs, or even online — and then share them. A demo is available for download. Registration is US$20 for a single user license; discounts are available for multiple licenses. Version 4.5 is a free update for registered users.