Rekonect has a notebook that has re-arrangeable pages - The Gadgeteer
Rekonect G1 Magnetic Notebook lets you rearrange pages however
Rekonect™ Magnetic Notebook
Rekonect G1 Black Magnetic Notebook
Rekonect/ Unlimited Notebook Supplementary Paper-Calendar - Shop
REKONECT REFILL PAPER
Rekonect PRO by CJ Good-Man — Kickstarter
Magnetic Notebook Refill - Tabs And Lined, SnackMagic
Rekonect Notebook - Black
Rekonect PRO by CJ Good-Man — Kickstarter