Hi,
My son has a PC with a 775Dual-VSTA board, 2Gb of Ballistic DDRII memory and until recently a P4 3.06Ghz, BIOS is 2.90, XP SP2. Machine was very stable. We just upgraded to an E6600 Core 2 and we are getting random hangs/reboots. Not very often and not when the CPU is under great stress...