Target application is my general every day computer. Work, games, always on, always crunching away on something. The drives aren't warm to the touch, do I need to cool them further?
At any rate, I decided to go SSD for my OS disk, games, and apps. For everything else I will use a couple of old 500GB drives and mirror via a backup scheduler. I will miss RAID, but I will survive and it won't cost me much.