Hello all! I'm looking to get myself a monster tube amp to take on tour soon. I have a '71 Amp V4 that I love, but it weighs 80lbs without a case. So my question is, the newer Mesa Prodigy heads as well as the 400+ can be had for around the same price. I can't find a straight Mesa 400 or I'd have gone for that already. I've seen a lot of threads on either/or, but does anyone like one over the other? Any reliability issues to report? (I will be bringing a small SS head as a backup) One thing that the Prodigy has on the 400+ is the ability to half the power section. However the 400+ is rack mountable and has the additional graphic EQ. Let me know what you all think (and if you have either for sale ) Thanks! Tyler *EDIT* I have also considered the Ampeg SVT-II and 2Pro. I am generally happy with the tone of my V4 (though not the same as an SVT) but the cost of tubes for the II and 2Pro is heartbreaking. Even if the Mesa's are just slightly cheaper, it seems the tubes of the Ampegs may become more scarce. What are your opinions on this as well?