We picked up a bunch of this old tin ceiling cheap on Craigslist a couple weeks ago. Note that the pieces pictured here are the flat border pieces and the curved "cove" pieces. It's pretty great stuff.
Still trying to decide which room to install it in. We were thinking it would go well in the kitchen, but the master bath is directly over the kitchen so it might be a mistake to install tin ceiling in a spot we might have to open up down the line to repair plumbing - but then how often do you really open up a ceiling to fix plumbing if the plumbing was done correctly the first time around?
In any event, we're going to need to do some stripping/scraping to get the rust and flaking paint off and then re-paint it. It will be a lot of work. I don't really know where we'll find the time to do this.