Be careful with the recording devices. My school doesn't allow us to record lecture.
I use the notecard books, they are more expensive but I can keep up with them much better. I don't have random cards out of place. I have a "flipbook" or two for each test. So when finals come, I just have to flip through them. I love them because you can slide them in your scrubs
and take them out any time you are sitting still...doctor's office, carline for kids' school, waiting rooms, etc.
I also started taking notes on my laptop and making powerpoint presentations. I am a fast typer so I can pretty much get every thing the teacher says, then I also incorporate the text that she highlights, handouts, and overheads. One teacher uses powerpoint presentations but won't give them to us, so I'm able to type everything on her powerpoints while she's talking. Most people don't get them all. The powerpoints are easier to follow and my attention span is lacking so I can read through a few slides and then come back, without having to figure out where I was in the book and start over. The flipbooks help with that as well.