I had a Live for the better part of last year. Absolutely amazing for live use! I was using my Marshall JVM410HJS with it and it was fabulous! I did many a gig with only bringing my amp head and the Live into the FOH and it was great. I used the stage monitors from the board for my stage sound.
I have since moved back to the Kemper setup, not because I didn't like the what I was using, but because I required a simpler setup and more tonal options.
If I was to go back to a tube amp, I would get another Live without hesitation.