haha, don't sign off. We're
ALL a kid at heart.
'New gear days' (esp anticipated gear days) will do that to a person. As far as cabs go, I personally (and I think you'll agree based on the music that you like) a cab with V-30s will be a great fit.
The Beast is a wicked guitar, but will you grow out of it? However, that's part of the fun, growing out of equipment to get something different.
imo, Les Paul guitars absolutely rip shit through a Mesa DR
But everyone has their own ear for tone. That's the beauty of being a musician.