Mark calls in to ask about the AMD Dual Core X2 processor? He’s thinking about upgrading his PC and wants to know if it’s time to upgrade or would it be better to wait for Longhorn? Will this processor be Longhorn compatible? Is it better than Intel Dual Core? Is the performance enough better than Mark’s existing AMD processor? Chris enlists x64 Dual Core expert Ryan Hoffman from Extended64.com to tackle Marks questions. If you’re thinking of upgrading your system to a 64-bit processor, this could be an important 5 minutes.