Game PC has a big dual processor shootout: AMD Optron V AMD Athlon MP V Intel Xeon. they have 2X1.6Ghz Opterons, 2X1.8Gz Opterons, Dual Xeons randing from 2Gz with 512k L2 Cache to 3.06Gz with 1mb cache and all in between (Check site!) and Athlon MPs from the 2600+ @ 1.8Gz to the 2800+ @ 2.13. they also have the 2400+ (my chips!) check it out. some on of this benchmarks, my 2400+ beats the opterons!! its a 12page review, so check it out.