They should make this part available to existing users as a warranty replacement. It sounds like they've addressed a common complaint on their support forums.
The lid that flops over because of the hinge's weakness, and the absurd excuses made by company personnel (they claim it was designed this way "to accommodate opening the laptop with one hand," as if the people who open a laptop with one hand do not need the lid to stay upright) has been a great disappointment for me with this laptop. It is a design defect, not a feature, for the hinge to be this weak.
edit: apparently they're talking about this, so I guess we're stuck with the weak hinge: