There are a few note-taking apps out there for iPad. With the right note taking device, you can do more than just write down a bunch of scribbles.
Catch Notes allows you to take notes, capture pictures and record spots so your notes can be more helpful. In addition, Catch Notes can be tagged so you can search your notes quickly to find the right information when you need it.
You can also put your notes in the cloud through Catch. That way, you can access your notes on multiple devices.
Catch Notes is a Free app. It is also available for iOS and Android devices.