So, if money was no issue...
Magic Kingdom
Fantasyland
Refurbish IASW with fresh paint and fix any broken AA's
Refurbish Mad Tea Party with fresh paint
Fix any broken AA's in Under The Sea
Refurbish Peter Pan with fresh paint and new queue
Adventureland
Nothing major... maybe some fresh paint wherever needed
Frontierland
Freshly paint Splash Mountain and fix all the broken AA's
Liberty Square
Nothing major... maybe some fresh paint wherever needed
Tomorrowland
Completely repaint and retrack Space Mountain - full refurbishment
Tear down Monsters Inc Laugh Floor
Tear down Stitch's Great Escape
Repaint the entire land with grays, silvers, blues
Update the People Mover
Completely retheme/refurbish the Speedway to TRON
Refurbish Buzz
Build a two new innovative rides
Epcot
Future World
Overhaul Innoventions with more interactive exhibits
New show in place of Captain EO
Refurbish Ellen but keep the ride!
Repaint anything needing painting
Update Soarin' with new video and technology
Create a new nighttime show
World Showcase
Add a new country Greece TS/CS and living museum
Add a water ride to Greece with homage to Hercules
Refurbish Norway's Maelstrom
Disney's Hollywood Studio's
Pixar Place
Add a Monsters Inc dark ride
Add Flo's V-8 Cafe CS
Add a Ratatouille ride (like the one rumored to be built in DLP)
Tear down Backlot Tour and LMA! for this new area
Star Wars
Remove IJESS, American Idol, and Sounds Dangerous
Expand with CS restaurant
Official M&G with Chewbacca and Yoda
Official Merchandise store (big)
New attraction of some sort
Everything Else
Refurbish GMR with new paint
Update Muppet*Vision
Disney's Animal Kingdom
Scrap Avatarland and instead build the Outback
Dark ride that introduces the various animals of the Outback (crocodiles, kangaroos, koala, emu/exotic birds, snakes)
New Kangaroos and Wallabies exhibit
Great Barrier Reef log flume-style ride with Nemo incorporated
Move Finding Nemo show to here
Australian TS
Everything Else
Asia: Fix the Yeti
Africa: Move FOTLK to Africa (actual plans are in set)
Africa: The Jungle Book or Tarzan M&G in Africa
Africa: New dark ride of Tarzan or the Jungle Book
I think that's all...