Pallet - Suggestion for better laout

A couple of suggestions for the 'show tracks from a playlists' view:

1) it would be nice hide any blank lists, so that the view of the playlists in the pallet bank are larger, or at least an option to resize the playlists columns.

2) An option to select the columns in the playlist pallet, rather than being forced to only see the artwork and track title would be much better.

Thanks