The big news, then, will come when AMD finally release Sempr0ns on to the Socket 939 form factor that their current Athlon 64 and Athlon FX chips occupy, creating a unified platform. We expect the first chip, a 3000+, to hit very soon.
http://www.theinquirer.net/?article=21093
Yet another reason to choose scoket 939 for upgradability and cross compatibility.