I'm sure there's a quick fix for the iTunes purchased albums I still have, but the long-term solution is definitely to avoid purchasing from iTunes. For me, at least.
As the iTunes Music Store hasn't used DRM since January 2009, no long-term solution is necessary. Just don't travel back in time and you'll be fine. :)
Anyway, thanks for the responses. I was embarrassingly unaware of the changes. Though maybe the moral of the story is that DRM is a good way to lose a customer who won't come back under any circumstances if there's an equal service available without it.
Now the manager who's actually hiring may know you're the one when you met him through the social network, but any employer with an HR department is going to require some form of resume/CV and job application. It's more or less a legal requirement. HR often gets a say in who's hired and lacking the ability to judge technical l33tness they tend to go on degrees, resume formatting, previous job titles, and dates.