Here’s something I have recommended for those who want maximum performance from their PC or Mac. An SSD. An SSD has no moving parts, therefore everything, no matter where it is, is accessed nearly instantaneously. The read and write speeds are usually higher then most 7200 RPM 1TB disks as well, in the over 200MB/s range. One that is reasonably priced is the:

OCZ Agility 2. I purchased one of these recently, and installed it in my Mac clone. My machine now boots in 9 seconds. Everything opens super fast, and frankly I couldn’t be happier.