Robert Feldt wrote:
> Downside of going with something like bdb is ease of install/support on 
> multiple platforms (ie windows since everything works on linux... :)) 
> but I guess bdb should be well supported also on Windows so maybe that's 
> what it'll be.

If I'm not mistaken, bdb is also not free if you want to redistribute it 
with a non-open-source application.  (I get the impression the licensing 
fees are pretty steep--maybe on the order of tens of thousands of USD?)

http://www.sleepycat.com/download/licensinginfo.shtml