MobileMe Problem

Hello There.... Help me out please... We bought a new macbook pro 15" ...We had an apple macbook 13"... We used a firewire cable to get the things to the new book... In the old computer after everything was done... to clear the old book i deleted my girlfriends inbox on the old book and she cant find it on the new one ....because there where 2 books with the same name so mobile.me thought the inbox is going to be deleted.....back ups were made but we can't find yhem anymore.... if no one can help me i must say by the next answer ex-girlfriend....

With regards Michel