Property Shark is probably easier to use. I have a subscription to PS so I don't know how much info you can get from that site for free, but it's a great site.
Karla Harby, VP
Charles Rutenberg Realty
You can check out http://www.PropertyShark.com or give me a call, I would be more than happy to do some research for you (no cost or obligation).
Mitchell S. Feldman
Associate Broker/ Director of Sales
Madison Estates & Properties, Inc.
Office: (718) 645-1665/ Cell: (917) 805-0783