I'm looking for a sanding tool for my models. I'm having trouble sanding on very small and uneven surfaces. I'm currently using a combination of a rotary tool (dremel type) and a sanding pen/stick. The rotary tool is a too power for most jobs, so I end up using the pen alot, but my hands gets tired very quickly and my fingers starts to hurt. Would any one here recommend an electric sanding tool for very small and intricate jobs? I've looked in the possibility of a micro oscillating sander, but it looks like they would only be good for flat surfaces. I think the best bet for me would be a low powered/rotation rotary tool. What do you think?