1TB WD Blue OR 2TB WD Green?

Going to be building my first rig in late January, and i was just curious as to which HDD i should get as a storage drive. I will be using it for Games, Music, maybe pictures, but that is it.

Should i go with the 1TB WD blue drive, or, for just like $20 more, get the 2TB WD green drive?

The blue is 7200 RPM, while the Green is 5400 RPM. i am just wondering if it would be better to just get the Blue for speedier game loading and reliability.

my build, just in case you are interested.

http://pcpartpicker.com/p/VGyTVn

Blue. Greens are best suited for storage, not the best drive for a gaming machine.

That is what i was thinking, just wanted to be sure. 1TB should be fine, as even if i ripped all my CDs in lossless, and they were the full disc size, it would probably be less than 35GB. so i will probably just go with the blue.