You've probably already seen this, but there are some pictures from the extended version of The Two Towers
here.
The picture I found the most intersting - as I'm sure many of you are - is the one of Saruman using some sort of apparatus in his study. I'm interested to see what this will turn out to be.
Hopefully Mr. Lee will be providing some commentary on the DVD, as he did for the previous movie.
There are many scenes I'm looking forward to, including the Huorns at Helm's Deep, Wormtongue riding back to Isengard, more scenes developing the relationship between Saruman and Wormtongue's characters, more Treebeard scenes and the scenes where the Uruk Hai meet the Black Uruks of Mordor.