Submission + - Gmail let's you get mail from other POP3 accounts.
snower1313 writes: "Gmail has just added a new feature for a limited number of users that allows 3rd party POP3 account emails to be retrieved into your Gmail Inbox. "You can retrieve your mail (new and old) from up to five other email accounts and have them all in Gmail. Then you can even create a customized 'From:' address, which lets you send messages from Gmail, but have them look like they were sent from another one of your email accounts.""