TweakNews has posted a review on the Intel Pentium 4 3.2Ghz Extreme Edition Northwood Processor
Intel's Extreme Edition version of Northwood is targeted towards a specific and focused area of today's consumer. If you want something that is incredibly fast right out of the box for high speed gaming, extensive graphic work or just bragging rights at stock speeds, this processor is for you. The 3.2EE easily held its own in most benchmarks even against a steroid induced 2.4C clipping along with a 1Ghz+ FSB and 3.2Ghz.Read more
But even so, say you still have a little overclocker left in you and want to see what extra cycles you can squeeze out of your new purchase, with some decent air-cooling you could easily overclock it above 3.6Ghz. Now I know if I had a water-cooling or a refrigeration setup, 4Ghz wouldn't be far out of reach. I personally can't wait to reach this goal.