I'm guessing that it's a lot more work for DLR to have the tree real because they have to order/deliver it, decorate it with ornaments and lights, plus remove them at the end. I would go to DLR during December when I was little and the tree was ALWAYS different plus the decor around the park but currently everything looks the same.
2002 - white tree, red & silver ornaments, and the clear lights.
(how is the tree real since it's white?)
2003- colorful lights and ornaments. A snowman meet n great, and Santa's Sled. btw they gave out free candy canes.
over sized wreath (now gone, I think)
2005-Golden tree with clear lights. lol my hat looks like an ornament. Golden hat with a golden tree.