Okay, quick status update everyone. The bad news is that development and testing have been heavily delayed due to technical problems:
Unable to scrape up the money for a proper gaming rig, I bought myself a used Dell Optiplex that was at least better for playing DF than my EeePC. I then bought a very cheap USB wireless adapter and immediately wiped out Vista in favour of my favourite Linux distro... only to discover that the wireless adapter doesn't work out of the box, the manufacturer's official Linux drivers have to be compiled from source, and the necessary build tools aren't included with Lubuntu by default. I have now given up entirely and ordered one of those data-over-power kits instead, which should hopefully arrive a week tomorrow.
The good news is, I'm pretty sure cartridge production works now. I've also tinkered with the weapon and ammunition numbers so that lethality should be historically accurate to the late Renaissance or Early Modern period; guns are highly effective, but not to the point where they've displaced crossbows or armour entirely. Lastly, the readme file is now much more comprehensive and contains detailed instructions, something that's been lacking for a while.
To that end, here's the barely-tested but hopefully working
V0.9 RC2.