I try to read as much as I can about design - try out the latest tricks (e.g. grids, golden ratios) and pay attention to what works and why - but somehow that's

I try to read as much as I can about design - try out the latest tricks (e.g. grids, golden ratios) and pay attention to what works and why - but somehow that's not enough. To get to the next level, web app developers need proper design critiques -- where good (or amazing) designers weigh in on designs that are still in their early stages. I wonder if such a service or community exists...