The brand you choose has more to do with your foot shape than what you're actually doing on the ice. Some freestyle skaters (in particular Jason Brown) prefer low cut (also known as Dance) boots. Others prefer those that are higher.
Have you tried Edeas? Do they fit you, and is there someone locally who can shape them to your feet? If so, then discuss with your coach and fitter the model you need. But if the Jackson's fit you and your feet are generally happy, there's no reason to change. You should explore, for sure, but don't discount the tried and true (if they are indeed).
In terms of blades, again, it depends on what works best for you. You're coach and fitter are the best resources. I think most would say to go with a Coronation Ace/MK Professional or the equivalent (entry-level competitive) in Riedell or Ultima. I'm a strong spinner, too and was always quite happy with the Pro or Ace. I'm on Ace's now, after having tried Vision and the Ultima equivalent of the Gold seal. Those are all good blades, and I liked them, but the sharpening (for the gold seals) and the overall cost, just didn't justify the difference, that I at least don't have the skills to notice, anyway. For a variety of reasons, Ace's are currently the best choice for me. Lucky they're on the cheaper end of the scale!
Good luck!!