We recently picked up the Radiance of the Seas on the 14 day voyage of New Zealand from Sydney.
The previous year we had been on the NCL Epic for 7 days around the Caribbean which we had enjoyed but the Radiance was 100 times better!
We were a bit concerned that this may be a cruise for older people (we are in our early 30's) and that 2 weeks would be too long to spend on a ship, we would either love it or be desperate to get off. In fact we nearly cried when we had to leave in Sydney on our last day, we loved it so much and the time flew by.