Hi all,
I found this topic by searching "unity fallout tactics" in google, since I'm currently doing it myself.
I know this is a year old topic, but I think you might be interested in what I'm doing.
A few videos of my progress so far (still far from done):
http://www.dailymotion.com/_Nugent_In short, it would be real time only, use fallout tactics assets (need the game's files) and be multiplayer.
The world would be open (no exit grid, just streaming of a huge map + teleport for some locations).
Code is c# on both client and server, client uses Unity engine.
If anyone is still looking around here don't hesitate to tell me what you think.
PS: your capchas are evil spawns of satan