Glad to hear the Elder finally arrived!
I'm really looking forward to the Dutch figure with the vest, since that's really the iconic Arnold look from Predator. I guess that's mainly because it's the cover image, so I can't wait to add that to my collection.
I've been posing my Predators with my DCUC figures (all Batman-related, because
I've always felt that Batman would be the perfect character to square off against the Predator), but I think this Arnold figure will throw the scale out the window, at least as far as Batman is concerned. Harley Quinn, Catwoman, Poison Ivy, Robin, etc can all be smaller, since they were smaller characters.
Luckily there's a new
super-articulated Arkham Asylum Batman being released early in 2013.

As for Big Red, I do like him...I'm not sure if I'll pick him up, but he is very, very cool.
I bought the Chair Suit Engineer from
Prometheus last week...very cool figure, and the closest thing to the "Space Jockey" we'll probably ever get. I'm interested to see NECA's new
Aliens figures as well, since mine are from McFarlane, which means they're only good for one pose. I'd like to pick up a few Aliens to square off against the Preds.