Absolutely average Marriott experience
I stayed in NY at the downtown Marriott for a week for a work trip. I had a couple of choices about where to stay and chose the Marriott because I've enjoyed their properties elsewhere. I felt envious of colleagues who stayed nearby, as my experience in NY was a total letdown and nothing like I am used to from the brand.
It would be fair to say the approach to staffing and service is 'minimalist' here - there are not a lot of people to help with anything and the lobby lead me to believe the place was a bit tired and careworn. I was given free Wireless access because I am a Marriott Elite member, but it has been spotty at best and non-existent at other times. The coverage keeps dropping out and I could not log on to my laptop one evening at all, which meant I could not work.
The room is a very generous size for NY and the decor is fine, but inexpensive looking. I have struggled a bit with the fact that there are no curtains or blinds to pull at night - fabulous for resetting your circadian rhythms to help with jetlag, but not so good for actually getting to sleep with the light from the building next door shining in my face. 
The bathrooms are largish and just ok, but the showerhead in the shower-over-bath hits me at mid-chest height and makes washing my hair a challenge. The hot water has been spotty and 2-3 times I had a cold shower, which was challening in the changable spring temperature. 
My room is right by the lift, which means I get to share in the conversations happening outside my door as other guests arrive back at their rooms at varying times through the night.
The other facilities are fine, but the closet is extremely small and I struggled to hang a weeks worth of clothes. The towels are somewhat threadbare, but changed daily and the bed was very comfortable.
The hotel is very close to subways and the World Trade Memorial, plus Century 21 department store, if you're interested in these things.
Overall this seemed like a budget experience and not what I've come to expect from the Marriott brand and certainly not worth the price my company is being charged. I'll stay somewhere else next time.