I managed to try on them at Sneakeasy in my regular size 11.5. As they're using flyknit, the fit is very sock like. It didn't feel too snug, but snug enough. Its difficult to gauge how it will fit after wearing them for awhile, but my guess would be to stick to true to size. If your feet is wider, going a size up may be a good ideal.
As for the shoe feel itself, its pretty lightweight and flexible. As will all runner shoes, this shoe is not for everyone. I'm running for fun and exercise right now. I can certainly run in a full-length air max shoe, but they do feel noticeably heavy. I stick to Pegasus for "serious" runs. Maybe this may the the first "serious" air max running shoe that "real" runners will use. Maybe not.
