Expedition Everest (AK) is scheduled to open in 2006.
Soarin Over California (Epcot) and Lights, Motors, Action! (MGM) are both scheduled to open in May 2005. Both of these attractions are likely to have "soft" openings as early as March '05.
There is also a new waterslide / coaster being constructed at Typhoon Lagoon. Crushin' Gusher may be ready for guests when the park re-opens from rehab in March.