I know he’s a pop musician but just in case you didn’t know, he’s a monster musician and carries some serious cred. It didn’t hurt that I watched the Blu-Ray DVD on an enormous Samsung LCD with huge speakers and subwoofer.
Definitely worth a look. I’ve been to two of Mayer’s concerts and neither was a disappointment. Check out this video from the John Mayer Trio section of the DVD (it also had acoustic and full band portions). Make sure you watch at about 2:40 into the video. They just go off.