Latest processor revamp since Pentium Pro, Intel Core i7 (codename Nehalem) is the successor to Core 2 architecture. All the newly available chips have 4 cores inside.
There are tonnes of reviews and performance tests already showcased on websites all over. And some vendors already shipping products based on Core i7. I am not going to waste my blog space so I am providing the links here.
Now, how I wish the market never crash and everyone got spare cash for this upgrade