Db gets my vote. you get a fuller range of motion, and its more gentle on the wrists ( can you tell i have a history with bad wrists). but bar is solid to...do bb benchpress last on your chest day and you'll be hurting fo sho
I have read Barbells is better for mass, but without a spotter, I stick to dumbells most of the time. I have also been using a machine some, but the motion can be strange.
i always do flat as a secondary exercise now with incline first, but i really enjoy flat bar, its great for power and really seems to finish off my chest
I used the barbell every chest workout of my life until last week.... when I switched to dumbbells because there was about six guys waiting to use the bench press.
And I really liked it.... I'll be doing them again next time.