With all the recent polls , why not another.
2 themes that appeal to all age groups and equal countries. Dr Who celebrates it's 50th anniversary in 2013. I'd be more inclined to see a fresh new approach to a Dr Who pin with recent stars and villains. LOTR really fills the bill as far as The Hobbit is concerned for me.
Bally Dr Who focused on the Daleks, I'd like to see recent updated villains and cybermen all together on this on.
Read up. Dr Who is broadcast in 50 countries. The current revival also garners the highest audience Appreciation Index of any drama on television.