There are too many laptops out there for that to be a general problem this late in the design cycle. That said, manufacturers make mistakes so check the reviews for the models that interest you.
For more info, I just searched Google for
laptop hinge problem. There are some links about problems with specific models.
Then, get a padded carrying case, and remember... they are plastic, they are fragile, and gravity and physics are not your laptop's friend.
