John Frieda, Aussie, Nexxus, TRESemme, or Good2B which heat protection product is better?

I really don't mind about the prices, I just want to know the quality of the products, like how well it protects your hair, the smell, and how soft it makes your hair. I've really gotten into straightening my hair lately but I'm so concerned that it will totally fry my hair! If none of these products are good/great than could you recommend me a drugstore brand? from like CVS?