I've been on the hunt for reasonably priced oak barrels that aren't so massive that it takes 3 or 4 brew sessions to fill one.
I came across a company that makes and sells barrels from 1L to 20L in capacity. 20L for $129.99
Check it out. Pretty reasonably priced. thought I'd share:
http://oakbarrelsltd.com/20-liter-oak-b ... hoops.html
