Yeah, possibly, Quake Live has teleporters in just about every map I think. Honestly, I personally just find that makes the map so much harder to understand (which is not something ZGA needs more of), but that may just be me. It wouldn't be hard to add though (most time consuming thing would be making models + effects), so perhaps as a novelty mechanic for a few maps in future. Thanks for the suggestion!

I think that's a nice idea. If it's not too troublesome to add, it'd be good to do testing to learn more about the pros and cons. It could be a neat way of spicing things up. When you're unsure of something, and start experimenting, it can not only tell you whether it's good or not, but can also lead to new ideas and serve as inspiration, in my opinion.

Yeah, thanks for the input Rakurai, this might be worth trying out, time allowing (although, once again this in particular I can't see taking very long).
I've been hoping to add all kinds of interactive map elements for ages. Other ideas could include tubes that launch you out the other end (or perhaps even great long winding pipes that suck you along[like futurama!]) or even things as simple as doors that open and close