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Intel Purchases Havok
Dr. Eggman writes "Gamasutra has the recent announcement; Intel has purchased Havok. 'As the firm noted, Havok 5 features enhancements to its core products, Havok Physics and Havok Animation, and introduces new features for Havok Behavior, a system for developing event-driven character behaviors in a game. Some of the games using Havok technology, particularly its Havok Physics solution, include BioShock, Stranglehold, Halo 2, Half Life 2, Oblivion, Crackdown, and MotorStorm - the company is also rapidly developing and marketing further tool products.' No word on what (if anything) Intel plans to do with its new acquisition."
Perhaps they can look at Bullet - http://www.continuousphysics.com/Bullet/ a high performance cross platform physics library that is open source. I know it is optimized for XBox 360 and PS3 and I'm pretty sure it has been used for first tier games on both. Not sure though if it has been optimized for the Wii though.
LetterRip
They did it with their C compiler in the past. When they detected anything but an Intel processor they didn't use the SMD instructions even when the processor indicated full support for SMD *IN THE INTEL DOCUMENTED WAY* You can Google for the details.