http://www.supermicro.com/PRODUCT/MotherBoards/GC_HE/P4QH6.htm QUAD P4-Xeon, six PCI-X slots, SIXTEEN DDR memory slots on a daughter board, ultra-160 SCSI, ethernet, video. Schlust, drool. SuperMicro sells the board plus case/power supplies/fans in two configurations: - SuperServer 8042, 4U rackmount $4200 - SuperServer 8052, full tower $4500 Add to that: - P4 Xeon mPGA603 CPU, 2GHz 512K cache, 4 @ $356 each $1424 - PC1600 (DDR200) memory, 256MB ECC registered, 8 @ $73 each $584 Totals are $6200 for the rackmount and $6500 for the tower.