Discounts can change year to year.
Biggest new discount is off of annual passes.
DVC now gets a bigger discount than the regular Florida Residents discount. That is the DVC discount is bigger than any other groups' discount.
Don't have the 2005 listing, but for 2004 discounts are:
Theme park restaurants (10-20% off) at selected restaurants for selected meals (breakfast, lunch, dinner). (5-restaurants listed)
Other Restaurants with 10% discounts:
All Star Cafe
Rainforest Cafe
Various WDW resorts: (10 restaurants listed)
Downtown Disney (10-15%) (8 restaurants listed)
Swan/Dolphin (20%) (10-restaurants listed)
Miscellaneous:
Photography sitting fee (10%)
Ghirardelli (Sweet Gift with $10 purchase)
House of Blues (10% merchandise)
Rainforest Cafe (15% merchandise)
Basin: 10% off merchandise
Tours:
15% off tours (11-tours listed)
Spa:
10% off spa treatments (3-spas listed. note: Guessing SSR will be added for 2005 perks)
Attractions:
Park Hopper Tickets (no longer available in 2005)
Richard Petty Driving Experience
Sammy Duvall Watersports centre
Blizzard Beach ($4/$3 discounts per ticket)
Typhoon Lagoon ($4/$3 discounts per ticket)
15% Disney Dolphins in Depth, DiveQuest, Seas Aqua Tour
$4/$3 per ticket discount Disney Quest, 10% discount FoodQuest
Repeating: those are 2004 discounts. 2005 discounts may have changed.
Hope this helps