I don't think they need to keep up with the middle-to-high end yet. Given the choice of glass and bodies, I think most professionals would still keep with Niko

I don't think they need to keep up with the middle-to-high end yet. Given the choice of glass and bodies, I think most professionals would still keep with Nikon and Canon (especially for print). But for entry-level, I could see it being a killer because of the ease.