Deciding what Lego set to buy?

I currently struggling which Lego sets to buy between the list below:
-Sopwith Camel (10226)
-Palace Cinema (10232)
-Tower of Orthanc (10237)
-Haunted House (10228)
-Super Star Destroyer (10221)
-R2-D2 (10225)
-Ewok Village (10236)
-Arkham Asylum Breckout (10937)

I am a fan of Architecture, Lord of the Rings, Star Wars and Batman.