PAHud will not work on Virtual PC due to it's anti-piracy software. See this thread for a Hud that does work on Virtual PC:
http://forumserver.twoplustwo.com/showfl...ue#Post10921172
Read the entire thread, as it now works on sites other than FTP.
On the other hand, if you have an Intel Mac, use Bootcamp or Parallels to run Windows.
As for the slow import issue, make sure you have PT set, on the auto-import window, to move processed hand histories to another folder. And do NOT auto-rate anyone on import.