I am a newbie to computer architecture or whatever thee techno-nerds name it...i just wanna build a gaming pc myself...so i thought it is safe to know go around some basics and understand what is what......so,what exactly is this ECC/BUFFERED/REGISTERED RAM or whateva extra definitions...for a gaming build what is the most necessary thing to keep in mind about this various type of ram....which will be more usefull if iam not a that much of a power user and rather iam a hardcore gamer.....please enlighten me..thanks beforehand