"Burns demonstrated consumer products that are available today or will be in the near future. This included a high-definition video stream running on a previously unannounced desktop processor, the Intel� Pentium� 4 processor Extreme Edition 3.20 GHz supporting Hyper-Threading Technology1, with an additional 2 Megabytes of cache. This new processor will be targeted at high-end gamers and computing power users."

Whoah! see hexus.net / or The Inq for more details. the normal P4 has 512k L2 cache - so this should make a fairly big difference to performance I would have thought!