I'm going to make this short and sweet   I've saved enough money to buy some high end headphones up to $450.   I'm in a acoustically treated always quite room so I think I  would benefit from open headphones.   I'm very confident at this point in buying one of these three headphones that...

I am on a budget of about 200 to 300 dollars and need some most balanced and highest sound quality that can be worn for a long time. Thanks