The POD X3 and the UX8 are both meaty but may duplicate a few roles that are taken care of already by other gear. Alternatively, it may replace the other gear that takes on those roles. That's what put me off. It's great if you're lacking part of that excess stuff that comes with it.
I like the approach of the UX2 - it covers all the bases and a tad more for recording. You get the plug-in mode too.
So I suppose it boils down to what you really need.
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