Well I've been working hard and long on this and I can say all the finishing touches are done on the city itself and I've almost finished up the marketplace. I've uploading some screenshots later of what I've completed.
But I'd like to take a minute and discuss why this is a tricky thing to complete. I could just make this level be a perfect city that look like it was built to be a city unfortunately that's not what it is. Its a metro station converted by people to be a city so I had to make sure everything looks more like it was built to be a train station first then add things collapsed tunnels break rooms metal walls its about conveying a sense that what this place is now is not what it was meant to be.
And since I've finished the main city its now time to start on the exterior. I haven't gotten any news from the person I asked to help me by building my exterior so I may have to do it all myself which was something I wasn't planning but I guess I'll have to. Also soon I'll be starting on scripts for the NPC's and Quests, with quite a few ideas already written done it comes down to making karma choices and putting variations on dialogue.
Sounds really promising man. Hopefully you won't have to do it completely on your own, but either way you'll get there, don't worry :). Looking forward to seeing more progress.