Some Quora questions I was looking at yesterday that you might find helpful (I plan to comb through these and pick out books and blogs to read more of):

What are the best books on UI/UX design for software engineers? http://www.quora.com/What-are-the-best-books-on-UI-UX-design...

What are the best resources for learning bleeding-edge web UI and UX design? http://www.quora.com/What-are-the-best-resources-for-learnin...

What are the best design blogs? http://www.quora.com/What-are-the-best-design-blogs

What are the best books written on design? http://www.quora.com/What-are-the-best-books-written-on-desi...