Indeed, I’ve had the opportunity to test out the Kidde P4010ACS, and it’s quite an upgrade from the 2070-VASR. The P4010ACS offers improved sensitivity to smoke particles, enhanced reliability, and a more streamlined design. Additionally, it incorporates advanced features like voice alerts, making it easier to understand alerts in emergency situations. Overall, it’s a solid choice for replacing older models and ensuring better fire detection in residential settings.