Read review after review of Polynesian Spa, husband and myself especially love a massage and mineral waters, is 30minutes w/ massage enough? Priest Pool seems inviting. Plan on doing Hell's Gate also, so not sure how much time to devote to each. Any recommendations on including both of these on our 3 night stay in Rotorua? Read Post's that suggested doing Hell's Gate first (love mud baths) after viewing Geyser then Spa in the evening. Kids are great but not when I am trying to relax!!! So many choices when looking at websites for both and it can get pricey. Suggestions????? Will be there December 5th thru the 8th.