Wirecutter:

Readers often want to know: Why don’t they ever seem to get our recommendation? In general, it’s a price vs. performance issue, and often they don’t measure up to their competition. But there are a lot of specific reasons, too. So, to better address the frequently asked questions of Beats by Dre, we thought we’d talk you through each model, what you might be looking for when you first consider it, and then why we’d put our hard-earned cash somewhere else.

Some great advice here about the various alternatives if you don’t want to buy Beats.