As much as I love my Pod Go (sold my Helix LT after I got it) I'm feeling the siren call of a full Helix Floor - scribble strips are a large part of that, along with the teasers of many good things coming in 3.0.Wow. You've had a lot of stuff, and clearly know how to approach using it to its best.
I only just re-entered Line 6 land after a long break. I had a POD XT Live about 15 years ago. It sounded ok and was immensely powerful for its time. But the user interface eventually drove me back to a 2 channel valve amp with reverb and a pedal or two. Fast forward to now, and I have just picked up a Nextone Artist as my base amp, and HX Effects for OD, delay, looper ... and probably a few more sounds. The user interface is brilliant ... light years ahead of my last Line 6 experience. I was going to go with POD Go too, but the extra flexibility in the signal chain swayed me ... not to mention the scribble strips. Being able to set the amp/cab up with regular old school twisty knobs is a winner for me at the moment ... but, who knows, with the tones and ease of use that I've experienced so far with HXE, with a bit more time and confidence, maybe a full Helix Floor might call to me.