The versatile R11 gives you enough output and reliable performance for any kind of application along with great sound, low noise, and convenient features like an easily accessible on/off switch.
Feature: On off switch thats level with the mic Awsome feature
Quality: Durable, can survive stage drops/etc
Desirability: It looks nice on stage
Sound: While there are defiantly mics that sound better, the r11 has to be near the best if not the best for the price. I use them mainly for vocals but i have done some work with acoustic guitars too.
Ease of Use: Plug and go
Support: Haven't needed it, thats pretty good preventative support right there
Overall: I expect 3 years out of these mics but i allready know ill get may more than 3.