You really need to keep a check on the refurb and closures list
http://holidays.disneylandparis.co.uk/eep.html As you are not going until September 2016, some things which are not listed now may be added to the list in the future. I have seen on another forum where people are angry that things were not listed for closure when they booked 8 to 10 months in advance but were added to the closure list a few weeks before their departure date.
Current closures for September 2016
Big Thunder Mountain
Thunder Mesa Riverboat Landing
La Cabane des Robinson / Adventure Isle
Disney Railroad
Star Tours
Things Not To Miss / Unique To DLP / Different to American Parks
Main Park
The Castle
Dragon underneath
Walk through upper area
Main Street USA
Arcade / walkway behind shops on both sides of the street
Haunted Mansion
Called Phantom Manor in DLP
Slightly different story
Unique merchandise
Indiana Jones
Themed outdoor roller-coaster
Aladdins Enchanted Passage
Walk through attraction
Nautilus
Walk through attraction
Alice Labyrinth
Walk through attraction
Ratatouille
Dark ride
Studios Park
Armageddon
Special effects from the movie ride / attraction
Cars Quatre Roues Rallye
dodgem car type of ride
Crushes Coaster
Indoor roller-coaster
RC Racer
Outdoor roller-coaster
Slinky Dog Zig Zag
Slow outdoor roller-coaster for kids
Toy Story Parachute Drop
High Drop outdoor ride
Pirates of the Caribbean and Star Tours are currently the original rides, ie no Jack Sparrow or movie references and the old original 2D Star Tours. They are both on the refurb list, so by the time you get there they may be updated. but either way they are still must dos
Restaurants
First off, unlike the American parks, ADR's are not really that big a deal. You can only do ADR by phone +33 1 60304050 (French phone number) not online. They take ADR 60 days before arrival date. Most people only do ADR a few weeks before arrival date or at check in when they arrive or a Town Hall on the day.
It depends on what kind of food you eat. The food is very different to the American parks. Have a look at the restaurant menus here
http://www.dlpguide.com/planning/dining/restaurant-menus/ They might not be up to date but they will give you a good idea of what to expect
Some restaurants, like Plaza Gardens have the same name and location as in the American parks but have a very different menu. Even Starbucks and McDonalds in Disney Village are different to American branches.
If you just want proper American food, Planet Hollywood, Rainforest Cafe or Annettes in Disney Village would be best.