I've been an iMac user for a number of years now. I will be traveling a lot over the next 12 months so decided to get something portable. Been looking at the white macbook and did a bit of research to see if there are any issues, and found the following, just wondering if they have been fixed: 1) Yellowing around the palm rest, most reports were in the years 06-07. 2) The magsafe connectors were catching fire and shorting, has this been fixed? Any other issues I should know about before going ahead? Thanks in advance.