[Siriusly.Andrew]

October heralds the AMD Bulldozer architecture. That's going to be a significant change to AMD's units. I've noticed nothing but Intel jibberjabber in the last couple pages so I thought I'd just chime in :P And IMO, it's worth waiting to see if Bulldozer is everything it's hyped up to be -- because chances are it'll be cheaper than any Intel cheap (even if only marginally) and according to numerous reports, much faster.

"Bulldozer will be the first major redesign of AMD’s processor architecture since 2003, when the firm launched its Athlon 64/Opteron (K8) processors, and will feature two 128-bit FMA-capable FPUs which can be combined into one 256-bit FPU. This design is accompanied by two integer cores each with 4 pipelines (the fetch/decode stage is shared). Bulldozer will also introduce shared L2 cache in the new architecture. AMD calls this design a "Bulldozer module". A 16-core processor design would feature eight of these modules,[8] but the operating system will recognize each module as two physical cores.
The module, described as two cores, can be contrasted with a single Intel core with HyperThreading. The difference between the two approaches is that Bulldozer provides dedicated schedulers and integer units for each thread, whereas in Intel's core all threads must compete for available execution resources"