Howabout starting off with a thread about usefull plugins. I've just discovered this one the Angsuman’s Feed Copyrighter Plugin - to quote from their site
This plugin adds a copyright message to your feed items... This acts as a deterrant to feed-stealers (you heard the word first here) who unscrupulously and blatantly displays your full feed contents (often with their own advertisements) in their site(s) without your permission.

It puts a message in your feed which says where the content came from, together with a link to your blog and your mail.

My personal taste is more Better Feed, which lets you add a (c) or a "Add to delicious" or a technorati link or a link to related posts or.... or just anything you want ;)

cool! Will check it out

I really like WP Database backup, Samsarin PHP Widget, Lightbox 2, and Clutter Free.