Perhaps a handy option, if you have a bunch of Web email identities and want a consistent user experience; see the full post for details
We are happy to announce that Hotmail customers in the US, Canada, and Brazil can now add other e-mail accounts to Hotmail!* No need to sign into multiple services to check all your messages on the web. Instead, you can see any POP-enabled e-mail account (including Yahoo! Mail (Plus), AOL Mail, and Gmail) right from your Hotmail account. You can put all of your messages together in your inbox or each e-mail account in its own folder, your choice.