I interested in thoughts on a varient of this. I normally keg my batches, and when I start to get bored with a batch or need space or want to have beer to take other places, bottle from the keg. So, my thought process is to buy a pony/quarter keg of some bland commerical beer (if so which kind is the question), or to brew a batch of a blonde ale using a netural bittering hop (e.g. Magnum, Perle, Galena). I would then use this keg as my source, and dry hop with various hops when I bottle.
To get really fancy, since I have multiple kegs, I could dedicate a keg for each hop. The idea would be to santize each keg, add hops (probably in a hop bag), do a keg to keg transfer from the source keg to the target (of say 1/2 gallon), top off each target with co2 and then let it sit for a week or so to dry hop (just like you do for a normal dry hop). Cold crash to remove any hop gunk, and off ya go.
Thoughts?