At the most recent Intel developer conference one keynote speaker made a statement which probably sums up what the industry is going to be doing for a while. He said consumers are content with the speed of their current processors in general and speed increases aren't that noticeable to the average consumer. It comes down to the difference of opening IE in 0.75 and 0.72 seconds. The average everyday consumer to whom they sell to just doesn't care to upgrade to the fastest processors any more. He went on to say that consumers are looking for more features that increase the value of their purchases.
Obviously Intel and AMD are going to continue pushing their respective top speeds, but for now you're seeing a shift towards the overall value. Intel is hard at work on new chipsets, tweaking new technologies like 64-bit processors, Xeon upgrades, etc. AMD too has a couple of new chipsets coming out this year with some new processors around the same time.
BTW, Intel just recently released the new mobile processor and motherboard solution for lower power consumption in notebook computers.
techfuzz