Ahhhh, 8 gigs of ram...should I upgrade to 16 or 32..really challenged here... 4 drive bays with a terra byte each...new NEC spectravision monitor, I really don't want to spend 3 grand on upgrading....would even consider switching to PC but seems too complicated to update licenses for the software... Any auggestions? Running Lightroom 4 and cs5 plus a couple of Nik software plug ins...