Love the idea of Alt+F6 and Alt+F7

First impressions and some problems/queries
Alt+F6
=> with *either* the Home Page, or the HTML pane on autohide, it will not cycle properly through the panels. First round seems to be okay, but then it starts skipping the properties pane - you can see it gets focus for an instant, but the the focus jumps to the Home Page.
=> As said elsewhere would be nice to have a colour indication when one of the grid areas has focus.
Alt+F7
=> this will cycle through the Properties, HTML, and Hompage panels, but does not allow access to the grids (all of which are shown though).