I`m actully quite happy with Pod HD500.
I bought it even though (due to stuff I read on forums) I half expected to get a little difference compared to Pod Farm, but I found it very easy to get a good tone out of it (easier than with previous L6 stuff), and after a few weeks I barelly scratched the surface of tweeking and fine tuning and still haven`t got to using dual tones.
I wanted hardware device that I could use in studio and live and that would hold all the tones in one place for both uses. I was afraid it would sound sub-par to latest software ampsims (like Lecto) and Nebula cab emulation, but it sounds suprisingly good even with minimal tweeking. I decided to stick to it exclusivelly and get the most out of it.
I even started using it as audio interface instead of my Firestudio.
A few extra software features would be nice, like USB reamping and Acoustic model, but still, I think it was worth the money.