Yes, A.net's pretty good although the constant Airbus/ Boeing bickering gets a bit wearing at times. The non-av forum is not for the faint hearted though, especially if you have liberal views and attract the attention of some of the US cavemen.

Another good one if you fly a lot is http://www.flightmemory.com where you can keep a record of your flying. I've got about a year's worth at the moment and it's quite a sobering sight. http://my.flightmemory.com/helvknight