Work trip to New York for 3 Days - Any sight seeing/shopping suggestions?

[mandymac]

I have a work trip to NY planned next week. I was originally going with someone else, but will now be there on my own. I will have some spare time in the daytime - lunchtime and the odd hour here and there, and will probably be at a loose end in the evenings. I want to keep busy as I will be missing DH and DD.
Any suggestions for sightseeing, shops, restaurants for lunch/evening meals?
I am staying near 5th Avenue.
Could also do with recommendation for a good day spa (work research honest ), nail bar and hairdresser.
Any advice much appreciated.

OOOOOOh, you jammy c@w!!! I am sooo jealous. I went to the Elizabeth Arden red door spa with a friend. It was much cheaper than the London one.

We just used a local nail bar.

I love the planetarium there, but that's just me
The Metropolitian Museam of Art is great too. But you need more than an hour.....
NY is just a great city for rambling about in really, so much to see and do.
Oh and don't forget the toilets in Saks 5th Avenue the revolving seat covers amuse my small mind

bump