I can't vouch for this company at all, or for the freshness of their roast, but it seems like a pretty good deal on both Kona and JBM.
JBM Link
Kona Link
The Slickdeals.net link where I found this.
Let me know if you guys think this is legit JBM, as I've always wanted to try some and may have to splurge for a pound or two.