I run a system in a P150 with an A64-x2-4800+, 2GB RAM, two 3.5" HDDs, a 400W Seasonic PSU, Mike, Is there any reason why you are using a seasonic instead of the supplied antec neoHE that comes with the P150? According to the reviews they are the same decibel level no? Also I see that the 430w ante...