Vitello Tonnato is a delicious dish for the taste buds, but not always so for the eyes. It tends to have a greyish color and with the capers on top it sometimes ends up looking more like a bowl of oatmeal gone bad. That doesn’t sound at all like the showstopper advertised above, but with a little twist or two it can be. Instead of the classic Italian starter, this version of Vitello Tonnato serves as the main course of a dinner where you finally have time to entertain your guests while wooing them with your fabulous cooking skills. The garnishing sauces for the veal can be made a day ahead, and…