Thanks you very much for your comments :P It help a lot and show the interest you have for this build, it also make me want to finish it :P
About the saves, no lies, there are about 246 saves of the city (from beggining 1 year ago to today) saved on mediafire, my computer, like 3 laptops, a server, a backup server, 2 drives disk (outside computers) and 4 usb keys :P Hard to loose someting hehe!