Outlook Express:
Copy all of the .dbx files (including folders.dbx) from the XP computer to a
temporary folder on the Vista computer
Open Windows Mail, File - Import - Messages - Microsoft Outlook Express 6
import from OE6 store directory
find the temporary folder where you copied the .dbx files (BUT DON'T OPEN
IT).
Next.... etc.
If you want to import your contacts, copy the .wab file over, and do a
similar File - Import
of the Windows Contacts.