Need new iron set, $300-500 range

[guaranteedBluff]

I've had the same crappy set of irons for about 8 years now. I hit them OK, but I think its time to move on. My handicap is 12. I am a thin guy 5'11"/160 lbs, but generate good swing speed. Any suggestions for a set of irons? Do I need to get fitted? I've never done that before - so not sure how beneficial that could be.

Thanks!