My 2c. After experience, I don't use IE or Firefox. Tried Iron, but too immature re options. Refuse to use Chrome. Have been on Opera for about six months and have zero complaints.
For the the record, my buddies and I have been in the IT industry for over 20 years. We, like many other knowledgeable contributors have a 'natural instinct'.
Before you decide to change/whatever, google your issue (forums) and decide for yourself.