The 4060 Ti being 'bad' is more 'bad value' as it's a bit overpriced. The prices supposedly have come down since launch to make them more attractive, but I haven't been keeping track. Sure, the 4070 has more cores, but I wouldn't feel bad at all about the 4060 Ti's performance if I were you, assuming the price was right...
I'm happy with my 3060 and 3090 cards - I'm just waiting for a couple more parts to arrive before I finally build my dedicated rendering rig, everything else is here. Unfortunately, I'm waiting on an I/O backplate that wasn't included with my motherboard. It's supposedly on the way but it's been a bit...
I've 'painted' a number of things in Photoshop with my Logitech Trackman Marble mice over the years (been a hardcore Photoshop user since the 90's!) and yeah, being able to actuate the trackball with your fingers works quite well, but you need to adjust to the fingers actuating the trackball first of course! The Kensington works similarly. I haven't had carpal tunnel issues since I transitioned to trackball mice.
One other thing. The Kensington ball is a tiny bit smaller than the Logitech one, and I swapped in a marble from one of my Logitech mice. The slightly larger size seems to work pretty well actually, but you'd have to have one laying around somewhere... The 'stock' ball should work perfectly fine though!
One other note... if price is not a big deal, take a look at the Gameball...
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As I said, if it was cheaper that would have been my next option.