Cons: too expensive
1)They are overrated. Anywhere I go, anywhere I ask I hear: Monsters are the ultimate cables. In fact, yes, these are good cables, but its quality which is absolutely ok, we can have with many other reasonably priced cables.
2They're too expensive. Really. I'm not saying any poor quality cable is fine, cause it's not. But let's keep standards and don't pay for marketing.But come on!