I just discovered, over at Portable Apps, an interesting new tool they haven't had on offer before. It is known as Xenon Portable File Manager, and it allows you to set file associations, so when you click on a file
in Xenon, it opens with the associated program. Even with the limitation (which seems unavoidable, really: any portable associations would have to be limited to the app they were set in) it looks like a great tool. It is a pretty barebones file manager, but for portable use it looks more than good enough. And it has the one feature I've wanted ever since I first put files on a stick.
As an added bonus, if you go to the developer's site,
http://www.mi3soft.info/?page=software.portable, they also offer IcoFX - which, for anyone who doesn't know it, is a great free icon editor - in a portable wrapper. I'm off to load up my USB stick with a few more apps.
Since prices are falling, it may be time to pick up a few larger capacity sticks,
although 2 GB will hold a lot more than you'd expect (all my most essential apps, vital information, and manuscripts will fit on 2 GB with room to spare).