Giving good news: I've got some good news for you…
I've got a bit of good news for you…
I'm really pleased to tell you…
I'm really happy to inform you that…
I have some amazing news for you…
Are you ready for this? I've got some great news for you….
I'm so excited to tell you that …
Responding to good news:
I'm so glad to hear that!
That's great!
Sounds great!
That's wonderful!
Incredible!
Wonderful! Thank you for sharing.
Really? Are you serious?
I can't believe that!