Okay, the answer is probably "no".
But still, check this out. http://forums.bukkit.org/threads/inactiv...-556.8972/
It's a portal plugin. For those of you who don't understand, it lets you make red and blue portal guns, which will teleport you to the opposite portal you placed.
I'm really not sure how well this works on multiplayer with others destroying your portals and all, but it's just a suggestion.