Re: PCI Express
There are no clear differeneces as of yet. Eventually PCIe will take off as a way better mobo, but video cards cant handle the 16x speed of the PCIe board just yet. But u should go with PCIe if your buying a new pc.
AMD Athlon 64 3500+ [939 Socket] W/ ASUS "A8N-SLI Premium" (OC'd @2.4ghz) | 560W Silverstone Spider PSU | Kingston 1024 MB [512MB X2] DDR-400 PC3200 Memory | Dual MSI Nvidia GeForce 6600GT 128MB DDR3 128-bit PCIe @555/1111 in SLI | Samsung 19" LCD 930B (8ms) | Western Digital 200 GB SATA II (x2) | LG Dual Format/Double Layer 16X DVD±R/±RW + CD-R/RW Drive