Well the Bottled shit isn't draught, and if you're going to have Stout without the proper gassy content, then.. good luck
If you're drinking Guinness at home, get the draught cans with the widget inside:
http://en.wikipedia.org/wiki/Widget_%28beer%29
Guinness is brewed differently for differen't regions. The stuff they call Guinness in Africa is, an entirely different beast.
Bleh marketing/brand names...