I'm actually a developer and I have to strongly disagree with this comment. The same gap exists (http://www.joelonsoftware.com/articles/HighNotes.html) between good designers and mediocre. In my experience, great designers are far from a commodity. I also agree with the other poster who said "Think Google not Microsoft". That's great advice - with a little practice even a programmer can produce decent designs if they keep things simple and don't try to get fancy.