How often do you try something new at the gym?

I like trying new exercises. It helps me add to my routine, by doing this I keep my body guessing. Whats your tactic? What do you try? below is one of my shoulder routines give it a try and let me know if it works for you. Exercise	Sets	Reps
Dubbell overhead presses	4	15-12, 10, 8
One-arm cable lateral raises	4	15, 12, 10
Barbell front raises	4	15-12, 10, 8
Dumbbell bent lateral raises	4	15-12, 10, 8