I did a lot of research and reflection before I bought my current saw. So, not a Griz hybrid owner, but some things to think about.
What is your motivation for changing?
Hybrid is just a contractor saw on a box so it is not really any different and the old Contractor saw is still an icon. But if your old one does not have a riving knife, maybe an upgrade. Can you add a real moving knife? I cheated on my contractor saw with multiple ZCI's with a fixed splitter different distances from the center for differing blade heights so each was within 1/2 inch of the blade. Older Deltas had quite a few after market bits. Doubt the Griz fence is any better than your Delta. I do like hot the Griz motor is mounted close to the arbor more like a cabinet saw. Table or cabinent mount should not really matter if done well. The poly multi-rib belt will run smoother than the V belt on your Delta. The Griz dust collection may be only terrible as opposed to non-existent on your Delta.
Consider quality control and support. Seems hit or miss. If you hit and have a well built saw, people love their Griz. If you do have an issue, it seems to be a total toss-up.
A lot of money but maybe think about your "final" saw and not use up money on a saw that is not any better you will want to replace again.
Of course, all the ra-ra for various SawStops, but to me the bigger and heavier, better fence, and the riving knife are the biggest safety features. If my Harvey C-30 broke in half ( it won't as it is a beast) I would buy their new "Big Eye" saw with the dovetail trunnion and what looks like the best fence on the market. Maybe. I would more likely replace it with a Makita track saw.
If my table saw was my 90% shop tool and I cut plywood all day, I guess I probably would buy the Saw Stop PCS just for the long term probability of an accident. I use my band saw and miter saw far more greatly reducing the probability of a TS accident.