Well, I'm just begining to get into the Wagner operas and it looks like its going to be a lifelong journey I'm chipping away at The Ring and highlights from the other operas which will act as 'signposts' when I dive into the operas proper.
The Wagner movie was great.
The Met/Levine Ring cycle sounds great too, and I think, a good way to start getting into the ring as opposed to sitting down with the long operas. A good way to begin to get a 'handle' on the massive work.
The MET/Levine is the only DVD recording I have of the Ring Cycle. While some people will tell you that it is not perfect I personally found much in it that was attractive:
1) the stage setting
2) the costumes
3) the special effects (I won't tell you what they are for fear of ruining the experience)
4) it had James Morris as Wotan and Jessye Norman as Sieglinde
The stage setting is true to Wagner's intent. This is not a modern adaptation. While the the Solti Ring Cycle (audio cd) has the ideal cast vocally this set is IMHO a good place to start.