Here is something I often want to do: go from a top-plan wireframe view of something, to a perspective projection, openGL render, and ideally a "top left" or similar orientation.   As far as I can make out, I need to go through three dropdown menus to achieve this. First I have to switch from top/plan to left isometric, then from orthogonal to perspective, then from wireframe to OpenGL. That's very tedious so I end up using saved views - however, this is also far from ideal as it will