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Hi Sam,
thanks for the good ideas!
 1. Option for larger fonts and larger menu area
  The plan is to make the menu appearance customizable in most parts.
 2. Acceleration when browsing through large directories, it takes 
forever to get from a-z when there are lots of files to navigate 
through
  Brilliant! And added to the ToDo list.
 3. (option) Always open videos in VLC, dont give me an option 
4. (option) Always open videos in full screen in vlc 
5 (option) always remember browse location (dont default to top) 
Files -> Last chosen directory is handy, but once you select it 
there is no way to move up a directory
  Thanks. This went directly on the ToDo list.
 6. option to modify menu structure, I would like my top level to be 
Music / Movies / System / Quit remote buddy  - music and movies 
both point to shares
  I'm currently over finishing some more developer related additions to 
enable everyone to bring forth even greater behaviours and will then 
switch right over to customizable menus. This may take until Preview 
7, though.
Thanks, 
Felix