Yes and it is coming out in the summer of 2012. Christian Bale is back as John Conner and in this movie they try to take out the entire Cyberdyne network.
Yes and it will be out in the summer of 2010. Actually it's 2011, and it hasn't come out!
Maybe, the movie is stuck in development hell and has been plagued with a lot of issues.
A fifth movie is being planned, but nothing official has been said about a sixth one.
Yes it will come out fall 2012.The name has not yet been picked.