Sorry for reviving a old/dead thread, but I felt that I needed to give credit where credit is due for inspiring me to build this.I used the Coleman Xtreme 62qt. Wheeled Cooler. I picked it up a couple of weeks ago when Home Depot had it on sale for just under $30.The cooler seals really well, but I was worried about the constant turning on its side. I added two rubber hood latches, like you might find on a jeep (or a certain very expensive brand cooler) to the lid.Next, I drilled a hole through the lid for the shank. The shank I originally used was just over 4", but after adding a hose barb to the end it was two long and the beer line kinked when closed. I ended up swapping it out for one that was 2 1/8". The 2 1/8" is as small as you can go and still feed the shank through the lid, but I think it is the perfect size.Next, I attached the regulator. I used zip tie mounts to hold it to the lid and attached it in a cross section part of the lid that fits the shape perfectly. Gas will be supplied by a paintball co2 tank with an adapter.Next, I added an LED light that automatically turns on when the cooler is opened. I don't know how necessary this will be, since it shouldn't need to be opened too often while in use, but the cool factor was too much for me to resist.I found a great price on a 6" wall mounted drip tray at BrewInternational and mounted it just above the molds for the cup holders on the lid.Next, I added a cup dispenser to the side, like the kind you would find at the water cooler. These are designed to hold 12oz-24oz and are the perfect size for Solo Cups.This build was very easy and done with very minimal tools. I used a drill with a hole saw for the shank and a $14 manual riveter I purchased from amazon for nearly everything else.This cooler is perfect for taking my homebrew to parties, the pool, and neighbor's houses. I have added a buckle strap to the inside to hold the keg in place, but it is not necessary because the wheel wells hold on to the keg really well. I usually toss in a few ice packs when I load the keg and the cooler keeps the beer drinkably cold for well over 24 hours.Finally, I would like to thank MrStack again for the inspiration provided by his original post. I hope that I have provided a little bit of encouragement for someone else to build something similar.