I was browing online, looking at mobos and cpus... when I noticed that no-one is making or selling dual-cpu boards for the AM2 processor. Am I mistaken, or is this really the case? If so, why?? I ...

I have a biostar a760g M2+ motherboard with a quad core processor currently installed. Since AM3 CPUs are backwards compatible with AM2+ motherboards I was wondering if this would work, and if there ...