Ah but Disneyland IS different from the Magic Kingdom. Check the Disneyland Resort website.
Rides that are different then what we have-
it's a small world (holiday edition and somewhat different)
The Haunted Mansion (holiday edition)
Pirates of the Caribbean (longer)
Jungle Cruise (different)
The Many Adventures of Winnie the Pooh (different)
Splash Mountain (different)
and there's some more too.
Rides that DL has that we used to have or don't have-
Mr. Toad's Wild Ride!!!
The Enchanted Tiki Room
Indiana Jones Adventure
The Walt Disney Story featuring Great Moments with Mr. Lincoln
Tarzan's Treehouse
Autotopia
Storybookland Canals
Roger Rabbit's Car Toon Spin
Pinnochio's Daring Journey
Matterhorn Bobsleds
Jolley Trolley
Goofy's Bounce House
Gadget's Go Coaster
Davy Crockett's Explorer Canoes
Sailing Ship Columbia
Alice In Wonderland
Casey Jr. Circus Train
Rides/Attractions that we have from other parks that are around DL-
Innoventions
Star Tours
Honey, I SHRUNK The Audience
(Don't forget that DL's Toontown is a lot different and better.)
Attractions DCA has that we have-
Muppet*Vision 3D
It's Tough To Be A Bug
Who Wants to Be A Millionaire-Play It!
Playhouse Disney-Live on Stage!
Soarin' Over California (coming soon!)
And of course we don't have a single other DCA attraction.
See! Those are some reasons. You can say you'll be able to experienced extinct attractions from WDW, take on a lot of new attractions and a new park, and just be where it all began!