This info from allearsnet.com might help, not so bad, only two rides are scheduled to be closed during your visit.
Rehabs and Closing Schedule
Animal KingdomThe new restaurant currently under construction in Animal Kingdom's Asia will be named Yak and Yeti. To fit in with Anandapur, the fictional village that is home to Expedition Everest, the restaurant will be themed as a rural village in the Himalayan foothills. The pan-Asian establishment will house both a table service restaurant that seats 300 and a quick-service eatery that can hold 200 customers. The restaurant was announced in February 2006, and is set to open in July 2007.
Teppanyaki Restaurant in Epcot's Japan pavillion will be closed for a major rehab April 15 through August 20, 2007. NOTE: Restaurant is scheduled to open a few days earlier than previously announced. This rehab has been rescheduled several times now -- and may change again. Check back to make sure of dates. (Originally reported dates were January 15 - May 25, 2007, then March 11 through July 14.)
Spaceship Earth, presented by Siemens, will be undergoing a number of changes over the coming months. The changes will combine the attraction's time-travel adventure into the past with a new finale that provides guests the opportunity to imagine their futures. Each of the ride scenes will be enhanced, and new show scenes will be added to the attraction's story along with new lighting effects, costumes, set decoration, narration and musical score. With phased renovations occurring through the year, Spaceship Earth's makeover is scheduled to be fully completed in early 2008. Read the full press release.
Current announced closures for Spaceship Earth: June 22–23 and July 9 – November 1.
Magic KingdomHaunted Mansion will be closed June 6 through Sept 13.