Just my 2cw - Keep it as simple as possible!
A good clean design has an elegance all to its own.
Look at the standard that Kitfox themselves are producing and follow that template if possible.
I'm all into making it your "dream panel" but be careful on making it too "busy" or complicated.
I refer to the instruments at the proper times, especially the engine ones, but mostly my eyes are outside the cockpit!