Has anyone used this Brush Straightener? It's a bestseller on Amazon.

http://www.amazon.com/Apalus-Straightener-Straight-Straightening-Detangling/dp/B00ZPHCB64/

I have really long hair, so I'd love to be able to ditch my regular straightener. I'm just having a hard time believing it's all it's cracked up to be!