Top 3 rides and at each park and overall go...

[twebber55]

MK-HM, Splash, Big Thunder
EP-Test Track, Soarin, SE
DHS-TOT, RNRC, TSMM
DAK-FOP, Everest, Safari

overall-FOP, Everest, Splash

 

[graphite1326]

MK-PotC, Splash, Big Thunder
EP-Soarin, Test Track, SE
DHS-TOT, RNRC, TSMM
DAK- EE, Dinosaur, Maharajah Jungle Trech (haven't been since FOP opened).

 

[LUVofDIS]

MK - PotC, Splash Mountain & HM
EPCOT - MS, SSE & American Adventure
DHS - TOT, TSMM, Fantasmic
AK - EE, Flights of Wonder (it was going the last time I was there in Dec.) & FOP

Overall - TOT, PotC & EE

 

[whiterhino42]

Well I don't do coasters so here goes:
Magic Kingdom
1. Haunted Mansion
2. Pirates
3. Buzz Lightyear

Animal Kingdom (havent seen Pandora Yet)
1. Dinosaur
2. Kilamanjaro Safaris
3. Kali

Epcot
1. The Land
2. Test Track
3. Turtle Talk

Hollywood Studios
1. Star Tours
2. Midway Mania
3. Muppets (don't do TOT or RR)

Overall
1. Dinosaur
2. Star Tours
3. Haunted Mansion

 

[JimW]

MK - Big Thunder, TTA, Jungle Cruise
Animal Kingdom - Kilamajaro Safaris, Kali River Rapids, Primeval Whirl (We dislike thrill rides)
Epcot - Living with the Land, Test Track, Spaceship Earth
Hollywood Studios - Not trying to be contrary, but haven't visited in the past few years

 

[Animaniac93-98]

MK - Haunted Mansion, Hall of Presidents, Carousel of Progress
Epcot - American Adventure, SSE, Living with the Land
DHS - Tower of Terror, Muppet-Vision 3D, Star Tours
AK - Dinosaur, Kilimanjaro Safaris, Expedition Everest

Overall - Haunted Mansion, Tower of Terror & American Adventure

 

[EricsBiscuit]

MK- steamboat, railroad, any of the AA shows.
EC- AA, SSE, LWTL
DHS- ToT, MV3D, RR
DAK- safaris, EE, FoP

 

[CoasterSnoop]

MK - HM, Space, PotC

EPCOT - SE, TT 2.0, Soarin’

DHS - ToT, RnR, ST

AK - EE, Dinosaur, KRR (have not experienced Pandora)

Overall - EE, ToT, HM

 

[Surfin' Tuna]

MK: CoP, SDMT, TTA
Epcot: SE, AA, LWTL
DHS: RNR, MV3D, _____
AK: EE, KS, Kali

Overall: CoP

 

[crxbrett]

Magic Kingdom
Splash Mountain
The Haunted Mansion
Big Thunder Mtn Railroad

EPCOT Center
Spaceship Earth
Frozen Ever After
Mission Space

Disney Studios
Tower of Terror
Rock n Roller Coaster
Midway Mania

Animal Kingdom
Expedition Everest
Flight of Passage
Kilimanjaro Safari

 

[GSP Guy]

MK-Splash,HM,TTA
Epcot- Soarin,Test Track,MS
DHS- TSMM,Fantasmic,TOT
AK- FOP,Kilimanjaro,EE

Overall-FOP,Splash,Soarin

 

[Disneybear]

Note: I haven't been since 2009 so this is somewhat dated.

Magic Kingdom

Splash Mountain, Big Thunder, Haunted Mansion

Epcot

Test Track, Impressions de France, Soarin

Studios

Tower of Terror, Indiana Jones Adventure, Fantasmic

Animal Kingdom

Its Tough to be a Bug, Kilimanjaro Safari, Finding Nemo

Overall - Splash Mountain, Tower of Terror, Its Tough to be a Bug