I also like Sketch -- it's a very powerful app and very polished, though I find I use it a lot less than I thought I would since it seems to occupy an uneasy pl

I also like Sketch -- it's a very powerful app and very polished, though I find I use it a lot less than I thought I would since it seems to occupy an uneasy place between OmniGraffle and Acorn in my workflow. I wouldn't be surprised if I use it a lot more after another few versions...