I was very fortunate to be sent a Dyson Supersonic to test for two weeks – I literally squealed with excitement when it arrived. I have been blow drying my hair for nearly 20 years, and have been using a salon-quality hairdryer (Parlux) for almost 15 of those years, so I really feel like I am qualified to give you a thorough review on the pros and cons (of which there is only one, to be fair) of this magnificent piece of equipment. The engineers (103 of them!) behind the Dyson Supersonic aimed to create a dryer that could style…