I thoroughly enjoyed my trip to New Zealand and Australia with E&A! The host was incredible and patient with our large group. She was able to keep her cool through multiple hiccups in the trip (it's gonna happen whenever you travel, just have to be flexible and make some concessions at times) as well as keeping everyone informed and engaged.
There were several days that felt like an absolute breakneck pace and it was daunting even for a seasoned traveler such as myself. I would've preferred one event a day with an optional second one (excursions) that could be selected. They were very close to hitting this model, but crammed in a bit more than needed IMO. As the days progressed, there was more free time to unwind and explore, but this really would've been better upfront.