Search your network shares through a web interface.
SearchlightRSS.com has released Searchlight 1.0 which allows you to use Spotlight on a server through a web interface from a client machine. In addition to finding documents you can also set up saved searches and get change notifications.
We haven’t had a chance to play around with this yet, but we’d be interested to hear from anyone that has. For the $29 that it costs, it would seem to be an intriguing product.