A few questions:
What has caused the need for drywall repair/replacement?
Do you like the popcorn ceiling or want to get rid of it? (you said your house was new, so that would lead me to believe you dont mind the popcorn).
One recommendation would be to go for a patch and repair now (with multiple coats of mud the patch can be feathered in so you can only tell under spotlight), live with it for awhile and if you don't like it in 5 years, then replace it.
Tearing it down is a much larger mess than patching the hole.
These guys did all the drywall work in my basement finishing project - absolute geniuses and great price as well:
Pro-Finishes | Raleigh, NC 27609