The jacket style is very important for the big man, as the length and color can brighten up the amount, if not carefully selected. If a man be a long time in the body instead of the legs, a long jacket the look even shorter legs, short jackets emphasize the length of the legs. Try to see different lengths, which games are the best presentation.
Take a look in the mirror from all angles, if you can, and try not to accessories. Going to buy a suit is with a nice, clean t-shirt to help the appearance and give a better impression of the entire presentation. Take a polo shirt, and if you think the dress be dual purpose and also less formal.