Top tier motherboards: ABIT, ASUS, DFI, INTEL, Supermicro and TYAN.
Middle tier motherboards: AOPEN, EPoX, Gigabyte, IWILL, MSI and Soltek.
Lower tier motherboards: Albatron, Asrock, Biostar, Chaintech and Jetway.
Bottom tier motherboards: ECS, Foxconn and PC Chips.
Not sure where these go: BFG Technologies, EVGA, Machspeed, OCZ Technology, Sanmax and Vantec.
Cricket