@foosel I‘m not particularly good at twitchy shooters, even with a rodent and keyboard. I still enjoy playing at easy Settings though.
I was surprised how well my brain adapted to gyro control, while still using dual-sticks for movement.
I somehow really liked being able to roughly aim using the right stick and then seamlessly use the gyro with a rolling/twisting motion of the Deck to do the precision aiming.
Can’t assess how well this works for fast paced games. Worked for me in Portal/2. :-)