Well first of that translates to about 126 quid for us Brits and if its for both a Mobo and a P4 Prescott 3gig 800mhz processor. The processor retails at about 155 for us and new egg sell them for 210 dollars so its appears to be a good deal in all with the mobo only costing 20 dollars or 10 quid. I see what you mean about the advert although the 800mhz refers to the fsb and not the overall 3ghhig speed. Hope that help.