What is the Best Type of Linear Rail?

Linear rail for X and Y axes - Lasers linear rail vs v slot vs grease, etc 2:10 intro and linear guide rail vs v-slot 11:32 cart disassembly and how-to linear slot diffuser installation detail V rail What's interesting, it didn't have to be connected to that slot and how they were implemented in different laptops Tapping

linear slot diffuser linear rails not quieter If anything they are louder They are definately more sturdy but not quieter