We've gone to the Candlelight Processsional three times, and we LOVE it!!!! We always do the Package too - since we always eat at a World Showcase restaurant anyway.
The "package" includes a complete dinner at your choice of a World Showcase restaurant, and "reserved" seating at the Candlelight Processional show. (It also included a 15% discount on merchandise bought in Epcot that day - some items were excluded in the discount. I bought my DD a very pretty porcelain doll that I did get the discount on!)
There are different levels of restaurants, which have different pricing. You can check Deb Wills site for a complete listing.
The first year, we ate at Le Cellier, the next two years, we ate at Chefs de France.
I think its a great deal - since we eat at one of the restaurants anyway. And, you can walk up about 20 minutes before show time and get a good seat!
Enjoy!!!!!