Is there a good guide you'd recommend for what routers in particular have the best support?
I assume I'd connect this between the modem and router as well so it is checking all network traffic?
Will have to do some reading!
Discussion
You should also follow the haiku OS project releases. The next release will have gpu hardware acceleration for opengl apps and games. But they don't have any API hooks or apps for streaming as of yet, but the OS is very media centric and I think some early podcasters used it to self host their own stuff? A lot of early AmigaOS hackers like it. It is the open-source clone of BeOS.