What other parts do you need? Keyboard, mouse-everything? What budget?
$100 will get you an AMD 6670 video card which is several generations old. What do you wish to do with this computer?
Will your listed parts work together? YES.
not a bad budget build
There are some killer deals on 6670s, normally $100, but there are sales right now for $60-80.
For the PSU, when you decide on a graphics card check the suggested power supply and get that size. As far as brands go, pick something heavy that is 80+ certified with a good warranty. Cooler Master, OCZ, and many other big name brands are a pretty safe bet.