What is the realistic effect of "hyperthreading" in P4 Xeon? I'm not versed in the latest CPU trends. Does it mean that dual-P4Xeon will behave like 4-way SMP? -- William Park, Open Geometry Consulting, <opengeometry at yahoo.ca> 8 CPU cluster, NAS, (Slackware) Linux, Python, LaTeX, Vim, Mutt, Tin