This past year has seen a resurgence of the beer can. Many craft breweries have invested in canning lines and are canning really big beers (high ABV (Alcohol By Volume)). I think when you've only got limited time to get to your campsite and back to a show, it pays to be drinking high ABV beer.
So far with an ABV of 10.5% Oskar Blues' Ten Fiddy Imperial Stout is likely going to be my beer of choice.
Are there any other good, big, canned beers out there now?