No. Even though the OneAgent for AppMon is based on the new agent platform, such completely new capabilities are not included, as this requires all the new backend capabilities covered by Dynatrace.
Yes. We provide limited support for BETA. Keep in mind, the OneAgent is stable, but still in development. You need to test before using in production to ensure the available feature set fits your needs.
Yes. See Collectors administration page for more information about balancing.
Yes. Just make sure all required ports are open.
The overhead of the Agent (regarding response time, CPU, memory & network traffic) depends on so many factors and their correlations that it's just impossible to estimate it upfront. The OneAgent is tuned to be as low-overhead and as production-ready as possible while still providing valuable information, and the overhead is kept so that there is no impact on the response time of the application.