Holy Crap I like this idea.
I compost, so the giant roller-bin
provided by my Garbage Hauler might become a Brew Center...instead of a
rain barrel.
Just bought a Grain Mill from Dean,
and
WOOT! a
4 way co2 connector at an E-Bay store
so I'm feeling more confident
I can get my
portable party system rolling soon.
I also bought a lighted neon
HOME BREW sign,

and portable Corny pumps and Taps in case Brew Buddies bring over more than my faucet system can handle. (One can always hope)
I hope to find good CO2 and Nitro tank deals,
possibly as I have 2 houses, and I host Stout tastings.
Like the Tank system you show,
but I'm Cheeeep.
If someone knows a great multi-faucet deal - let me know!
Wanna talk ice, swamp cooler methods,
& other approaches to
sustainably cooling our portable Servers?
I think the kegs will stand in thermal foil bags (from the Dollar store),
and have a space blanket tucked over them. I have a bunch of foam insulation,
so that will be in there, too.