I get a lot of questions regarding yoyos as to "what is the best". It simply doesn't exist. Each year, typically someone different wins the 1A division and uses a different yoyo. Clearly, best is a matter of preferences and features that the end-user decides for themselves that is the best fit. World and Natonal titles have been won on yoyos as inexpensive as $15 and well above $150.
I don't see this being any different in regards to spintops. What are my favorites? It varies depending on my mood. I've been playing my Guilia a lot lately, but before that I was playing my Sophia a lot. After CalStates, I was working with the new YYF Energia tops for a few days. I never know what I may want to play, so I carry a fair number of tops on me when I am stuck at the park during my kids' swim team practices.
I personally see nothing wrong with the Spintastics Trompo Grande and Trompo Bearing. I enjoy those quite a bit. The Quicksilver Hybrid I definitely feel is a big upgrade and also comes in bearing and fixed tip models as well. With the price, I feel it being on par with anything at the top-end of the price spectrum despite being half the price of a Strummol8 top. Jack certainly seems to favor the Qucksilver Hybrids based on his own words. Now, Jack is miles ahead of me when it comes to skills and abilities when it comes to tops. I also can't argue his assessment after buying a set myself. Still, I prefer my Sophia over them. That's simply my preferences.
Part of the journey in regards to skill toys involves either buying stuff or trying a lot of stuff, looking for that "perfect" or "best" item. What's best for one person may not be the best for another person. Don't make decisions based on price or brand, make decisions based on what appears to be the best match for you.