Whilst I haven't been here for the tennis since this court was enclosed, I've just recently been for my 3rd concert, and I love it!
It appears they've designed the tennis enclosure with sound in mind, with all but the very small opening acts sounding amazing in the 7,500 seat 3rd court.
7,500 sounds like a lot, but everywhere I've sat has been brilliant, even being back row looking directly at the stage for Little May / Cloud Control / Angus & Julia Stone (I've also seen Thundamentals / Hilltop Hoods & Ben Howard, so gives you an idea of different genres all working well).
Fun Fact: There are toilets just near door 10, that have something stupid like 30 women's cubicles. I've never had to wait, and they have always been clean - yay! (Please remember I did say I haven't been for the tennis yet!) read more