Our experience in October was:
MGM
Rock n Roller Coaster....get a return pass/wait outside
Tower of Terror....get a return pass/wait outside
Star Tours...go all the way through the line to the ride vehicle and wait in the air conditioning on a bench
MK
Space Mountain....get a return pass/wait outside
BTMRR--don't know
Splash--don't know
AK
Kali River ....get a return pass/wait outside (used to be able to go all the way up to the ride boarding area and sit on a bench...may be seasonal)
EE--don't know
Primeval Whirl--go up to separate section at boarding area
EPCOT
Mission Space....get a return pass/wait outside or in the game area
Test Track....get a return pass/wait outside or in the store
Soarin--don't know
Hope this helps,