I seem to not burn too easily, though if I am in the sun for an extended amount of time (more than 5 hours) I seem to burn if I don't have any sunscreen. However, with sunscreen on, even as low as SPF 15, I've never burned. Must be the little bit of Cherokee in me...

My girlfriend is a different story, though. You can literally watch her turn redder and redder as the day goes on. Kind of like watching a lobster cook...