All guitarists like to play loud, there's no doubt about that. But for some, the desire is insatiable. It's times like these when a full stack may be the only solution. If you are playing live regularly and like a lot of stage volume (even if you're playing through a PA) then you will find yourself naturally gravitating toward a full stack. At the end of the day, it's about what sounds good to you. Even if your are playing tunes from the softer side of the spectrum, don't let that stop you from testing out the feeling of a full stack - you may just find it brings something new to your sound with that much power!