Anyone using Vertizontal Parabolic Hoods?

I am thinking about getting two of these for a new room, local store says they give way more coverage than the standard 2x2 hoods. These are about 4ft diameter www.dealtime.com/xDN-lighting--sunlight_supply . My room temps are cool enough for the next 8 months to run these hoods without AC or cool tubes so I want to experiment a little, C02, different hoods, soil and hydro side by side, MH and HPS threw flower comparisons, 4 weeks veg and 6 weeks with the same strain to see difference in bud production and a few other things, I may even grow a few tree's.
give me some input if you have seen these hoods in action.
Adieu

mine gave me a sweet footprint on canopy but heat became an issue later in the summer , i swear by 6in. cooltubes now w/ a hurricane fan .
my 2c worth

In the summer I would probably just go with an AC, or do a change up, I would like to get all I can out of my lights and avoid the fans if I can.
Adieu