The following link is a video I genuinely enjoyed watching and I felt I would share it as well. It is pertaining to the C# 4.0 Design Team, and I try to watch most of Anders Hejlsberg videos if I am able.
They do not get into an in depth/technical discussion concerning C# 4.0, they touch more on architectural items. They mention a few languages but happen to leave Java out of it. Another thing I thought was interesting is how they have met many times to discuss a feature. This might drag on for multiple meetings (they mention 10 hours), but they end up not implementing it. I felt as thought this was really neat how they put forth a lot of time and thinking into aspects of the language and are not afraid to say no.