I have stayed at both I liked NYNY it was fun and pretty cool and New, however the rooms are on the small side and the pool is not very good.
Mirage is my favourite hotel on the Strip great pool, nice rooms, great casino, central strip and the service is second to none
Free room uupgrade here at NYNY
https://reservations.mgmmirage.com/booki…
20%off at NYNY
https://reservations.mgmmirage.com/booki…
Rooms form $72 at Mirage
https://reservations.mgmmirage.com/booki…
Suites form $133 at Mirage
https://reservations.mgmmirage.com/booki…
All these links are dorectly with the hotel cutting out the middleman and giving you the savings, you can cancel with no penalty if the rate drops after you book it call the hotel they will drop your rate and you only pay one nights deposit