I've been looking at the Whiteline Suspension website and have a few questions.
Front upper arm control brace - what's that do? They cost $290.00 + GST from them.
Front radius rod adjuster? Is that for adjusting camber, so since I already have a nolathane camber kit I don't need?
And rear trailing arm upper conversion for EF Series 1's excluding Tickford, I take it this is for Sedans only and NOT wagons?

1.Front upper arm control brace - what's that do?

Structural bracing. Strut braces aren't that effective on the E-Series due to suspension design, so whiteline use these instead

2.Front radius rod adjuster?

Not sure on this one. It's either for camber adjust like you said, or possibly castor, but I was sure they just called there castor bars, castor bars..

3.And rear trailing arm upper conversion for EF Series 1's excluding Tickford, I take it this is for Sedans only and NOT wagons?

You would be correct.

I'd consider giving whiteline a call with your questions, as they could probably give you some leaf-sprung specific advice as well...