i aam in terested in this deal.. but i have a small prob ... my machine now has Corsair 2 gb running for each processor.... these are DDR400 dual channel ECC regitered rams..i need to know that will this non ECC ram be compatible with my machine.. check my rig.... tough my board need ony one regitered ram to work .. rest can be non ECC..... but still i have a doubt.. so please confirm this......