My first computer build. Is it balanced?

wrat

Reputable
Jun 9, 2014
1
0
4,510
http://pcpartpicker.com/p/zYsXYJ

I'm trying to build a non-overclocking system that is balanced and will last me a little while (3+ years). I mostly play WoW. Thinking windows 7 for OS.

What do you think? Notice any glaring mistakes? I'm not entirely sure the 450 watt PSU is enough or if I should go 500ish.

Thanks!