Few useful GMail resources - Tips , Tricks and Hacks

http://lifehacker.com/161399/hack-attack-become-a-gmail-master

http://botw.org/articles/gmail-hacks.htm

http://webworkerdaily.com/2009/06/18/using-gmail-aliases-for-better-orginization/

http://www.makeuseof.com/tag/1-awesome-gmail-tip-you-dont-know-about-seriously/