For defragging, I strongly recommend O&O Defrag. You can download a free trial from their site. Try it out, you'll probably crap your pants after you use it the first time and windows loads in 10 seconds (I don't know, I haven't actually timed it, but it's fast)... I know I did.
http://www.oo-software.com/en/products/oodefrag/pro.html
http://www.oo-software.com/en/products/oodefrag/pro.html