I'm a huge fan of minimalist shoes for cross training (not really a long distance runner).  These are really comfortable and fit well for my odd foot that has a high arch, wide ball, and narrow heel.  They don't feel as minimal as they look but they perform well and are nice and light.  I typically wear them barefoot and the inside of the shoe is really comfortable even without socks.  I'm heading to buy another pair right now.  LOVE THEM.