Mine was the John Flynn frame (never used) and specialized rulers that I bought intending to use and never have. But the rulers may get used yet!
Shadoh, you do know that the teflon pressing sheet gets soft when you press it and you can straighten it out? I used mine a lot. It's indispensible for me when I'm using any kind of fusible. I actually have 2. One for under the fabric to protect the ironing board and one for on top to protect my iron.