That is fantastic!! I’ve been to Paris several times but not for a while, so I know zip, zero, nada about DLP - I had to go look at the hotels. Are res hard to get? What’s your backup resort?
My most recent visit was prepandemic, and I confess, I didn't do much homework. (touring order) We know WDW very well, and I expected it to be similar. Well, first thing we got stuck in a REALLY slow line for Big Thunder. So that was a bit of a surpise.
Then we got the hang of the Fastpasses they were using at the time, and the day got better. They have since adopted an option called "Premier Access." I advise reading up a bit about touring order before you go so you avoid the mistake we made.
Many rides are similar, but different. If you are used to the intensity of WDW's rides, the Paris ones are not exact clones. Not too far off, IMO, but a bit different. If you normally skip some rides at WDW, you might be able to ride them in Paris- or the reverse- some are more intense. Still, it was great fun to be surprised by each one. I advise AGAINST previewing rides if possible, unless you have motion sickness or some other medical condition that makes surprises difficult. Discovery is SO much fun!
Crush's Coaster is amazingly fun!
Some rides that are walk through and/or have short waits are very fun. Try to see them all. Some might look skippable because there is no wait, but they are worthwhile! Make sure to walk through all of the castle. Though, it is a bit odd to visit fake castle, while touring the country that arguably has the most spectacular REAL castles in the world. We visited Loire Valley early in the vacation, Paris in the middle, and
Disneyland last. IMO, that was good order.
[There is just nothing like the Louvre anywhere else. IMO, it is somewhat a crime if you don't also visit there. My other favorite museum in Paris is the Musée de Cluny. It has medieval art, and is a window into a very different time period from our own. People rave about other museums in Paris, but the Cluny is a gem!]
We stayed in Paris and went as day trip. It was very doable via public transportation, we just had to make sure we knew the schedule. Rate was very reasonable, as I recall, but that was some years ago. I don't know anything about the Disneyland Hotels, except they would have been pricey, and our Paris hotel was top notch.
As much as I like staying in the WDW bubble, Paris felt different. At the end of the day, I was glad we went back to Paris. I can't explain easily, but Disneyland Paris just doesn't have quite the same vibe as WDW, IMO. Paris is just such a fabulous city, I suppose. Again, it has something to do with how aware we were that DP is fakery, yet so close to a gorgeous city that is real. Maybe that was just us.