One of the best applications I have used... to date, and I've been an iPhone user since the 3G initially launched.
It is a complete app, everything you need from initial search to making contact, photos, floorplans, amenities, google locator button, a favorites section - like the apartment you're looking at? Just hit the star and it automatically feeds into your favorites! Contact info, and it's also a very complete app, each and every one of the 56 hits that I looked at contained ALL information, very thorough.. Although there were a few in which the floorplans did not come up, possibly a user error on the initial post.
The only thing I might like to see added is a notes option.. Take notes on each property as you're viewing them.
Again, a wonderful, all-in-one app!!