for the netburst, i think they didn't want to give a dual core setup with ht so easily, then why would xeons be wanted? wouldn't it make sense to save it for the extreme edition? that seems more logical to me. and maybe the new architecture doesn't call for it, cause remember, it is totally different now. and i have read rumors in the forums that they will put hyper threading and netburst later all in one. i don't totally believe that, or know if that is even possible, but i leave that it might just be an option on later processors. as for the "ditching" of hyper threading, you got to watch more carefully then that. we have yet to see some serious benchmarking on the paxville xeons... kind of leaves me in wonder about that.