Hi I recently bought my first mac (13" rMBP 2,6 GHz), and I'm loving it. It's super fast on booting, surfing etc.. My problem is that sometimes, not very often but maybe a couple of times during the day, Safari seems to freeze when I'm either going backwards (previous page) or sometimes when I write a new URL in and hit enter. It starts to load the page, then the site goes all white and nothing happens. When I hit the refresh button it takes like 20 sec before the page reenters and then there's like nothing have happened. I found this a little bit strange, and I'm not worried or anything, I just see it as a strange thing, and a little bit annoying. Is this normal, or is there anything I can do to make it go away?