They should just have JavaScript and hyper-links turned off by default. I've never seen a legitimate PDF that makes use of the JavaScript functions in Adobe Reader... hyper-links are useful, but in most legit documents, the link's in the form of a URL anyway, so you can just copy and paste it.
I upgraded my gaming rig about a month ago, but I've held off on purchasing a graphics card (or graphics cards) until now since I was hoping we'd get more news on newer Fermis or about Southern Islands.
Well, I'm starting to get impatient and I'm thinking maybe it's time I ditch my GeForce 8800...