I'm thinking of maybe buying the 2013 Air when it comes out to replace my 2012 15" rMBP, and I was hoping that someone who has looked at Haswell's tech could help me answer the following questions: 1. Do you expect the 2013 Air to have significant improvements over the 2012 Air in terms of (1) processing power (2) graphics performance? 2. Is there a possibility that the 2013 Air's graphics and processor improvements will make it on par with or better than the 2012 rMBP? 3. Would the new Air be more future-proof (for high quality video playback/office work) compared to the 2012 rMBP? I'm asking because the rMBP is quite large to carry around and I would prefer a lighter machine if it has similar performance. I mostly use my laptop for web research (100+ tabs), video playback and word processing.