Some of the details may not be entirely accurate, but it's a start. I only skimmed them and one thing I noticed - a discrepancy between booking 180 days or 90 days in advance. You can now book 180 days in advance. Also I don't know what the current prices are, but if you ask on the board someone will know.
If you use the search function at the top of this page, you'll find quite a few threads on the Fantasmic Dining package.