Harware upgrade critique

So these are some of the components I am going to reuse:

Power supply: Antec earthwatts 650 W

GPU: Nvidia Geforce gtx 550 ti

Of couse the cd drive, floppy disk drive, and hardrive.  (I don't see the brands as applicable)

 

My new components: 

http://pcpartpicker.com/user/jcat187/saved/1w9x

Any recomended changes in my setup?  Feel free to rip my selection apart.

you can get that performance for a bit cheaper

CPU/RAM