Have a look at Arc Notebooks from Staples. They have a wide variety of notebooks and accessories to allow you to customize it your needs. I used a bunch of notebooks including Moleskin and Ecosystem notebooks. I do love the bound book and the permanence of them. But the simple fact that they are bound makes them very inflexible.
The Arc System relies on discs to hold the paper. The real beauty of this system is in the punch. It’s kind of a half circle with a slot. What’s great is that its very secure but yet the pages are easily removed.
You need to capture your ideas and have an organized method in which to do so.