Installed black anodized aluminum door lock knobs that I designed - they look great for that all black RSR look

The great news is they're now also available trough our host, Pelican Parts! They're offered in three colors: Black, clear or "as machined".
Black:
Pelican Parts - Product Information: PEL-POR-001B
Clear:
Pelican Parts - Product Information: PEL-POR-001C
"As machined":
Pelican Parts - Product Information: PEL-POR-001
Here's what the "as machined" version looks like:
... and the clear version:
More parts to come...