I could see e-mail working. We make a list, like the one below, but longer obviously. You get the e-mail, type in your pick and forward it to the next guy on the list.
Round 1
Here for Beer:
Westeros:
Noodles:
Walnutz:
Metastable:
Tompa:
Xasthur:
Horrow Show:
Round 2
Horrow Show:
Xasthur:
Tompa:
Metastable:
Walnutz:
Noodles:
Westeros:
Here for Beer:
Round 3
...
Not sure what other options there are.. I guess we could draft for him as best we could, but that wouldn't be very fair.