A bit more definite information (rumor) on clocks -- not bad at all [emphasis supplied]:
...The range starts with the 3.6GHz FX-4100 quad core and FX-4120 variant with an undisclosed clock. Both are 95W parts. The FX-6100 is a 3.3GHz six-core, or 3.9GHz on Boost and it will be accompanied by the FX-6120. Again, these are 95 watt processors.
As for flagship eight-cores, the FX-8100 clocked at 2.8GHz and capable of 3.7GHz on boost, all in a 95W thermal envelope. The FX-8120 is clocked at 3.1GHz and 4GHz on boost and it will ship in both 95W and 125W versions. The FX-8150 is a 3.6GHz part capable of 4.2GHz on boost..
AMD traditionally tends to offer a bit more bang for your buck than Intel...
Looks good for OC -- as previous AMD CPU OC 0.3GHz more or less past the Turbo number. That would put the Buldozer 8 core OC in the Sandy Bridge 4 core OC range of around 4.5GHz (a guess).
One Bulldozer could equal two Sandy Bridge i5-2500K in heavily threaded applications (and games down the road) -- and maybe 1.3 i7-2600K (i7 with Hyperthreading). However, that's pure guesswork as we don't know the "efficiency" of Bulldozer, yet.

They're guessing August for the first ones -- but allow that it could be September or later. No one outside AMD seems to know, yet
AMD Bulldozer in August??
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