Joined Up Government
Or how about a bit of help with private companies - like not being able to get a phone connection, load, HP or similar if you haven't had a UK address for a few years because you've been serving abroad? Or easing tax return deadlines if you're deployed on ops? Or rebates on car tax, TV licences etc? how about getting companies to acknowledge that someone's permanent address can be a Mess if they're single? Or that moving every two to three years doesn't mean you're a poor credit risk? etc etc