With metamask you will be able to receive your tokens.
Did you send 0 (zero) ethereum to the new populous adress to request your new tokens already?

Watch this! https://www.youtube.com/watch?v=-aO6wW-zwXI

Double-check better tripple-check every adress! Check adresses with video and with Populous Homepage! But the real one! There are so many fakes at the moment around...