What are you asking, do you want step-by-step instructions? Backing up Movies requires a basic understanding of what you want to do. This all goes back to Files and Folders. DVD's and Blu-rays Stream Movie Files, on DVD's from the Video Folder and Blu-ray from the Stream Folder. So these are VOB Files and M2TS. People talk about burning an ISO, but in reality it's all Files and Folders and burning a Data Discs.
So I would say start with DVD's, and try and find good software. Like you said there are many out there, and I have tried most of them. I like DVDFab, but you have to try and find what works for you. The Media I use is Verbatim, never a bad Disc.