Here is a nice resolution cheat sheet someone from AU put together.   Its handy when you are trying to remember what project settings or crop settings you need for a wider aspect ratio.

When you get to the bottom you start to laugh at just how few lines of resolutions a wide screen VHS tape was, which was like 240-400 horizontal lines.  Then the black bars took up a large chunk. 

http://unravel.com.au/files/Unravel_Resolution_CheatSheet.pdf