I have been waiting for this release and about to pull the trigger on it. I am on a tight budget. My dilemma is I can either buy the 8GB/1TB or 16GB/512GB. Thing is I cannot comprehend a HDD smaller than 1TB. It's just not big enough for what I want stored without resorting to externals or cloud (too slow anyway) I am hoping I can get away with 8GB Ram and trust Apple's claims that they use it more efficiently these days. ( I know 16gb is always better).