the best unit i was able to find there within your budget is antec VP 550 P .
it is a reliable unit made by delta electronics : V2 revision is haswell compatible:
although don´t worry , your pc would run just fine with first revision as well
it is only a matter of c6 and c7 power saving states .
http://www.tomshardware.co.uk/answers/id-1827862/power-states-worth.html
you can also disable them in bios .