In this day and age, you can just look up the model number and read a review on it, and find plenty of reviews on forums. After a short while you find out what

In this day and age, you can just look up the model number and read a review on it, and find plenty of reviews on forums. After a short while you find out what makes a quality model and not (construction quality, driver quality etc). Best way imo is to start looking stuff up and reading.