Well, since you asked!
1) I would love if there were some font choices. A small bank of fonts to choose from would be great.
2) Move buttons up and down the grid, maybe even left to right. Currently the only way to do that is either rebuild, or drag the button's edges down into a new slot, and move others into its place.
3) Use an image as a background for a button so I can have image panels / buttons instead of text based boxes.
4) Apply a color or image to the grid / panel itself that the buttons sit on.
5) I noticed that if the grid / panel is on top of another panel, if the buttons on that panel behind it cannot be clicked. So, for example, let's say I have one button on one tab, and a few buttons on another tab, if that second tab's panel's empty space is 'in front of' that first panel, that button cannot be clicked. I noticed this when I wanted to make a slider toggle to turn the other tab off and on. I put them right next to each other, but that second tab's empty space was sitting just over that toggle button, so it couldn't be clicked on.
6) I use VAM in a very wide resolution, and I put the menu of buttons I make as far to the right as I can. When I change the resolution to something less wide, suddenly that panel of buttons is way too close to the center. I feel like the position I place it at should stay to that edge of the screen even if the resolution is resized.
7) Can we add additional tabs than just the two? It would be great to be able to add more tabs. That way you can have sets of buttons at many different places in the scene or in the overlay without adding additional plugins to the atom.
That's all for now!