2) My first purchase was a Corsair SSD, my next was an Intel, and the last one I bought was by Crucial. I originall went for performance, but my last purchase I went for the size of the drive and its price. My next SSD purchase, I will be looking at the SSD controller. If I don't win an Intel drive in this contest, I'll be picking one up with my tax return
3) 18-24 months I end up building a whole new PC. During the time though, I constantly upgrade my parts, and give others my hand-me-downs. I'm always trying out the new toys!
4) US resident, so skipping this math question, but if I did answer it I would copy from someone else's post