I have to do my obligatory;
Apple iBook G4. Can't go wrong!
http://www.apple.com/uk/ibook/
Included (amongst other things..)
OS-X Operating System and
Music= iTunes
Photos= iPhoto
Internet= Safari or IE.
Film Editing = iMovie
DVD Burning = iDVD
Making your own music = Garageband
E-Mail = Mac Mail.
Then you can buy MS Office for Mac and get Word, Excel, Powerpoint, Entourage (outlook) although you get AppleWorks free too.