I have been playing around with an iPad for a little while now, and I like it. But one of my favorite apps that is only for the iPad and not the iPhone is MyPad+. As their is not basic or official Facebook app for the iPad, as of yet, I had to go find another app that did Facebook. I chose MyPad+, mostly because it not only does Facebook, but also allows you to run your Twitter feed within the app as well. Even when you post status updates to Facebook MyPad+ will allow you to choose to post them to your Twitter feed as well, as long as they are within the 140 character limit of Twitter. The navigation of MyPad+ is also very easy, and even makes for easy opening of links, etc by opening a secondary column.
So if you are looking for a decent Facebook app for the iPad, and willing to pay 99 cents, I would highly recommend MyPad+. This is a great app especially if you also use Twitter and would like one app to control both. But if this app is not for you, there are many other Facebook apps for the iPad as well. I have even heard rumors that an official basic Facebook app will be coming to the iPad in the near future.