I will be listing all the extensions on this blog so if you get in touch I will feature it here. If you don’t want to build them yourself but would quite like some specific ones, let me know and I’ll let it be known.
Google recently said that it had “more than 10 million active users around the Globe” – regardless of how many users other browsers have, 10 million people are well worth the effort, no?
You will need the developer version of Chrome or the beta 2.0
Google gives a full tutorial here
Googler Matt Cutts also wrote a post on how to create on in 3 easy steps
ChromePlugins lists extensions but I expect to see a lot of them
Google Chrome Board is a helpful forum