As far as I know you can only have one options box open at a time. I think your best option would be to set up a few shelf buttons: One each for X, Y, and Z planar mapping, and unfold. Take a look at the script editor to retrieve some of the commands as you use them.
Not really sure how to setup a shelf button to have the settings I need like I am meant to have "keep image width/height ratio" turned on when its off by default. Making it X, Y and Z I can do but other settings no idea. polyProjection -ch 1 -type Planar -ibd on -kir -md z pCube1.f[0]; Thats what I get from a Z planar…
if you copy this mel to a shelf button then you can do the planar mapping and unfolding in a single action, and use the G key to repeat last. you still need to move it manually and the move tool will lose focus when you run this script but if you just quickly tap rotate then move it regains it without losing the selection.…