From my experience teaching the IEP cluster, and from my husband's experience as a special educator, we have both found these forms to be helpful!
My husband attaches the half sheet of "IEP at a Glance" to the official IEP when passing out hard copies to teachers at the start of a new school year. It's a quick overview of the areas students have goals in, and how many minutes they'll receive per week.
He uses the full sheet (with data included) to look over the students previous year data when getting to know his new students, or preparing for an IEP meeting.
The progress monitoring sheets are helpful to keep records in a visually appealing way, and also to show parents where progress is (or is not) being made.
Overall, special educators and regular ed teachers alike find these documents to be very helpful :)