I don't even own Predator on DVD yet (have it on VHS, though), because I'm still hoping that one day they'll release Predator: SE in Region 1. Let's face it, Predator isn't LOTR--I'm not willing to own more than one version of it, so I'll wait until I'm sure that the special edition isn't coming out (though I hope it will). Plus, they show Predator on television all the time, and I've all but memorized it by now anyway.
I was tempted to get Predator 2 on DVD when I first saw it, but then I saw Jurassic Park on DVD and got that instead. I'll get it soon, though.