According to HKEPC, AMD will answer to the Core 2 Duo release by impressive price cuts starting from July 24.
Athlon 64 X2 prices will be reduced by 35 to 50% in order to counter the Core 2 Duo. The Athlon 64 prices will be reduced by 20 to 30% in order to answer to Intel's Pentium 4 price reductions (see this news).