Now that To-Do has multi-user support and Cortana integration, I'm considering switching to To-Do since it's "the future". However, Wunderlist works fine and isn't broken. Is there any real reason to switch?
I've never used Wunderlist but I have used To-Do and it's pretty good. I am sure it lacks features of Wunderlist though so bear that in mind if you switch. It's like switching from Evernote to OneNote.