Road Demon Carb?

I was considering purchasing this carb (the 725cfm)

http://www.bgfuel.com/demoncarbs/

I have a brand new Holley 750cfm, but the Demon, just has a really good name behind it, (not like Holley doesnt), do any of you have any experience with these carbs? They are so cheap too, why not try it out?

BamaZ28

ya there great! i love them, holleys are just to b1tchy, + demons are like imposable to brake!