I've mentioned this before, but really, it's all about considering what your uses for it are gonna be, cuz for me all it is is a really expensive digital guitar preamp that might sound as good as a comparable tube model but certainly not better. Features such as its huge amount of high-quality FX, the routing possibilities for said FX, the impulse loading for cab simulation that can go straight to a PA (or for recording), etc. are cool, but really don't mean dick to me - I play with three channels; clean, crunch, and face-melting, the only FX I use are delay on solos and 'verb on clean, and if I really wanted to go direct to the PA I'd just get a Palmer box for my amp.
So this of course is MY scenario, but if you're in at all of a similar circumstance I'd advise against it.