Shade might be a good option, but I would strongly advise trying the demo first. Shade's UI is very unusual, but if you can get your head around it, it's a very capable program. I'm not trying to bash Shade in any way, but as someone who is able to use 95% of any new software without having to refer to the manual, I am completely unable to do anything in Shade without looking in the manual. The same is true of any software, though: always try a demo whenever possible. You may find the UI is easy to use, but maybe the software itself isn't powerful enough.