This is exactly what I feared might happen when I heard Apple was moving to a full NVIDIA solution, complete with the faulty parts that caused so many other mobile setups to croak.
A very thorough article at the Inquirer, based on analysis of a new MacBook Pro teardown by parties who wish to remain anonymous, shows that the solder bumps used in at least their test MBP are in fact the infamous high-lead solder that overheated and cracked without fail. An NVIDIA spokesperson has stated that the 9600s in MBPs use the new eutectic solder, but the tests show otherwise. There are a number of explanations for the bad solder being in the new 9600s, but none of them are good for NVIDIA or Apple. There’s no way to tell if your MBP has the bad solder, but if it starts overheating and freaking out like crazy, be assured it isn’t your fault.