I personally wouldn't like having foil on my windows. Also, proper glass has other benefits than just uv-protedtion.
I knows Illium #1 was damaged.
It's not that obvious (see near the signature), but I think that also has to do with the camera. I once had photos, but they are long gone.
http://www.ebay.ca/itm/Mass-Effect-I...-/180880958131