If you're looking for anything to do in the Midtown area, both East and/or West, visit timessquare.com. They're a website that gives information on happenings in New York City, including new year's, restaurants, hotels, theater, museum, travel, tours, etc. You name it, they will have all the information you need; whether you're a tourist or a New York City resident.
Check out two articles I've written for the website on the links below. Just click on the words and it'll direct you to each of my articles. Enjoy!