I would choose April for sure. The weather is better and the crowds are good...except during Eater week..so be careful!
I LOVE DISNEY WORLD!!!!!
25 trips through 2009 mostly at Wilderness Lodge
March, May 2010- Wilderness Lodge, August 2010-BLT, Nov 2010, March, May and August, 2011- Wilderness Lodge, Decemer 2011 Animal Kingdom Lodge, March, July and December 2012 Wilderness Lodge