good air colled hood?

Lookig for a 4"-6" air cooled hood (HPS 400w)

I have a few in mind but want some recomendations before I choose one

do you need the whole setup or just the hood

I adore my 6in. cooltubes . :s3:
Crispi :jointsmile:

AC daystar reflectors rock!

this is what I use in my single 400-watt HPS setup :
National Garden Wholesale : Lighting