I've really fallen in love with
Windows 7's Media Center as a replacement for
iMEDIAN HD (software that came with my
iMON remote, built by
Soundgraph). And in using it, and the
MediaBrowser extension, I've played with several metadata content fetchers to organize my collection. I do have over 1,100+ movies and another 4,000+ TV episodes.
Rather than spend months building all my metadata by hand, I used what are known as content fetchers that automate the task. Unsatisfied with the few out there that got me half-way there, I built my own. Here's the first version:

You can
download it here and follow the
discussion forum thread for it here. Enjoy!