The top players who are holding it, officially can not leak anything related to overclocking at an early stage, current Intel X processors sales would suffer a lot due of the act.

Quote Originally Posted by Intel's vice president Mentzer
There's a very small segment that just love to play with this stuff. They're very important to us because they are also the people who set the tone for what they think is a good chipset.
Source

So Intel has clearly decided to embrace the overcloking, no sense would make if they leave this part of the market out. This is a cheap marketing strategy. Nehalem extreme versions will fly.

Metroid.