VR-Zone has posted some info regarding the upcoming Athlon 64 processors based on the 90nm "Winchester" core.

It is packed with 512KB of L2 cache and the die size is much smaller at ~83mm2 compared to 144mm2 of the "Newcastle". The revision stepping of the upcoming 90nm Athlon 64 processors is "D0" compared to the current "CG" stepping that denote a silicon change due to die shrink.

Read more