I would highly recommend using Paris Shuttle Service to get from CDG to DLP.
We used them in the summer of 2007.  We liked our driver so much we requested him for the return trip.
I will post more info about both parks in the very near future.
PARIS
Centre Pompidou  - modern and contemporary art
     closed Tues
Louvre
     closed Tues; Hrs 9:00 - 18:00 (22:00 on Wed, Fri)
Musee d'Orsay - housed in former railroad station; artwork - Impressionist and Post
     closed Mon  Hrs: 9:30 - 18:00  (21:45 on Thurs)
Musee du quai Branly - tribal artifacts

Palais de Tokyo - contemporary art

Arc de Triomphe

Cathedral de Notre-Dame

Eiffel Tower

Napoleon's Tomb

Sacre-Coeur (Sacred Heart Basilique)
    Hrs: 6:00-22:30
   climb up to dome
Sainte-Chapelle - gothic church, Ile de la Citie

Parks
      Luxembourg Gardens
      Jardin des Tuileries
Canal Saint- Martin
      walk or canal cruise
Montmarte

Kid's in Paris       - Frommer's article
Great city views - Frommer's article

Food
   Al taglio (10e) - pizza
    Chartier   (9e)
    Chez Imogene (11e)
    L'As du falafel  (4e)
    L'Avant Comptoir  (6e) - NY times article
Dessert
    Berthillon - ice cream in ile-St-Louis
    Amorino - gelato