There's a gazilion of great live shows from the 90s, but what about the stuff from after 2000? Despite the declining quality of JBJ's voice, there are definitely a couple of performances that best the studio versions.
One I can easily think of, because it is by far the best rendition of the song, is this:
Also this:
So, post away, but I guess quality over quantity would be the most suitable approach in order not to clutter up the thread. Maybe we can even get a nice archive going, with an overview of the albums and their songs, and links to definitie performances of them.