I have all his DVD specials that have been out, and all his audio stuff ripped since I couldn't find it.
His philosophy and perspective is imo not only brilliant comedy, but speaks such hard truth - It definitely struck with me that I have always believed the same things, even before I heard them said by him.
I too miss him, but watching his work keeps him alive in the same way as Marlon Brando etc Performers living on through their art