Having just completed a ColdFusion-to-J2EE conversion project, ColdFusion skills aren't quite obsolete yet. But I have brought it one step closer to the grave.
If you can get a good signal, never get HD cable, unless you NEED Discovery HD or HBO HD. The over-the-air signal is much less compressed than HD cable. If you're an A/V geek, you can really notice the difference in the macroblocking.
More than a few of these still come in handy in a few less affluent areas. I bet there are plenty of 3rd world areas where people still use oxen or write everything by hand.