I like doing both, for the time being anyway. Of course, there will come a time when I run out of dumbells, and this would be inevitable for most lifters I guess.
They "feel" different, and it seems to me DB bench works more chest, or works it differently, or something.
39, 6'2", ~215lbs
Gym PRs: Squat 160kg/352.7lbs, Bench 112.5kg/248lbs, Deadlift 220kg/485lbs, Strict Press 72.5kg/159.8lbs
My new training log