I can truly appreciate this post @justtryme90! The preferred frequency response depends upon the application in my opinion.
Certain responses are best when it comes to various listening purposes...studio recording, every day use, DJing...etc, etc.
No affiliation here but I've found that the Sennheiser HD 280 Pros are the best overall for the price, I use them for mixing and listening.
I personally love Sennheiser, I have never heard a bad pair of headphones that they make.
Just don't buy their mixers or microphones...
haha, noted.