You've got a problem that alot of people have today, choice overload, their are so many choices today that it's hard to decide what to get, I'll give you a little food for thought, whats the biggest place you'll play and whats the smallest? How much flexibilty in your sound and your set-up will you need, what about transportation and storage space, take a look at the pros&cons of the different set-ups, and by the way have you tried an extension cabinent on your current rig?