Having just had to replace a magsafe power cord (fortunately Apple does it free now, even out-of-warranty), I think the design needed a bit of tweaking, which l

Having just had to replace a magsafe power cord (fortunately Apple does it free now, even out-of-warranty), I think the design needed a bit of tweaking, which later models have received. http://support.apple.com/kb/ts1713 http://support.apple.com/kb/ts1713 issue #6 , "strain relief issues" kb