I've never seen Guinness served at a pub in cans but get them for home and they pour out pretty good. There is an Irish pub in Columbus that sends the bartenders to get Guinness cetified, at least thats what the guy told me. They said Guinness has a class you can take on the proper temp and proper way to pour one, I'm talking draft here not from the can.
all this talk of Guinness yesterday, I stopped on the way home and got an 8 pack of cans. Got home and called my friend to come over and "help" me do some electrical work in the basement. Well the Guinness is all gone and wiring is half done, I think it was a successful night.
You know I've been on a SERIOUS calorie and carb watch myself and the Guinness is really not bad at all, 125 calories and 10g of carbs. I've been staying between 800 and 1000 calories a day and about 100g of carbs so I can work a Guinness or 2 in there every once in while.