That's a little more helpful "sans" :-p
A lot will be fairly hard to do, so more fun for me. But I must ask what does "Set palette transparency" do?
About the colour selection box. I'm currently just doing the normal wxWidgets/Windows one, and I don't want to just copy that one if I'm gonna do my own. Hue wheel definitely, and maybe I'd link it into the palette. Though as I said I'm gonna add the paette importing/exporting. Just got a bug with filling to deal with (wxWidgets fills stuff oddly).
And thanks for the praise people