I can go into a long discourse as to why google apps is awesome but this article at lifehacker was so good I thought I would let them sing its glory. I currently use it for all my domains and everything ends up in one account. The best thing about it is that you can setup an account for free.
When it launched, millions of us grabbed free Gmail addresses, and associated Calendar, Docs, Voice, and other apps followed. But personal domains are cheap, and claiming an @yourname.com address to use with Google Apps is easier than ever. Here’s why you should.
via Why You Should Use Google Apps with a Personal Domain Instead of Your Gmail Account.