As somebody who worked almost exclusively in Windows (with varying results for many years), predominately in semi-pro level audio work, I'm curious what you think about the capabilities of the Surface platform vs. the current Mac approach. I'm thinking an external video card would be a huge plus, if possible, but from what I've seen performance wise, I'm looking to transition to a Surface Pro in the future from an otherwise perfectly satisfactory Lenovo. Granted this is for audio but a lot of great audio equipment is USB 3 and workable in offloading a lot of the power needs (and external storage for large files). If video could eventually be served well by the same approach (modular?) that'd be interesting.