USB 3.x, SSD trim/boot, new hardware types in general are all situations where 10 handles things better than 7. Overall, I think it's a win. But yes, that's despite several problems that can occur under the 10 paradigm of doing that much more under the covers to keep things tidy without requiring interaction.
If the setup you have works, then it works, but your next build should be 10-based one.
If the setup you have works, then it works, but your next build should be 10-based one.