I completely agree. I LOVE this game, brings me back to the old days of Baldur's Gate but the skill/spell toolbar is awful! The minimum they should do (which should take a tiny amount of dev time) is let us change toolbars (#2 and 3) with a key bind (EG. Alt 1, Alt 2 etc).
But ideally we should have the option to set multiple toolbars on screen.
Come one Larian, this is a top game (deserving the 'classic' status) but you need to sort out the toolbar.
PS. My only other gripe is leveling needs a bit more depth but I'll leave that for another thread and is a much more complex topic.