Does anyone have one of these? I just can't decide whether to splash out (it's a lot of money to me). My hair is shoulder length and wavy, very prone to frizz. I usually use a round brush and hairdryer. I'd love it to be smooth and swishy! Is this hairdryer all it's cracked up to be..? I've watched so many videos etc btw, so I know how it works. I just don't want to waste my money.