I was exciting to hear about the news for sure!
Here is what we know so far about the new version:
- Thought original was too difficult.
- They made sure to make the game easier for this remake.
- Many of the difficult things occurring throughout the day are going to be made more obvious.
- Big hint system.
- Altered a boss (likely made it easier).
- Gameplay differences for New 3DS owners.
It kind of seems like it will be a watered down version though. :-S
Yeah, it's about time Majora's Mask get a 3DS version. It was only a matter of time.

As for the facts about the upcoming version:
- Agree. Sometimes the time limit can be a bit too much.
- Agree, see above point.
- Not sure what you mean by that. Examples?
- Hint system? Okay, that's watering it down a bit....
- They did? Which boss? Please tell me it's that ghastly, ungodly Gyorg. That boss is way impossible. O_O
- Haven't played many 3DS games, so no comment there.
I have a feeling it's gonna be watered down too. Not like I ever have difficulty with the game anyways.
Is it sad that I haven't played any 3D Zelda games? For some reason, I just can't be bothered. 
You need to play them. There's only two games, so your work would be cut out for you.