It has to be can for me.
Bottles are too fizzy, have too small a spout, taste blander, dont have that legendary *clink-tshhh-clack* opening sound and they have that eternally annoying way that the bottle sucks in when you try to take a big drink.
Cans, on the other hand, are one-shot hits of refreshment. Thats why I have, no that would be HAD, a 24 pack of coke in my room.