I felt the same about HELIX and HX Stomp amp modeling. I still have both tube amps and a modeler. I like the Headrush because it can clone a real tube amp, which I things provides a more authentic tube amp sound then a amp model. In my experience the cloning tech Headrush uses is on par with...
I currently use a Headrush Core. I love it. No troubles so far. I mainly use a few Amp Clones of two variations of Fender Deluxe Reverbs and sometimes a Continuum amp. I play mostly 80's, 90's and 2000' Pop, Rock and R&B in a cover band and Contemporary Worship at church. I have no complaints...