Hi Brian,

you wrote in <Pine.SOL.3.91.951003115041.28590A-100000@rainbow.rmii.com>:
> Is there anyway to boot netbsd into super72 mode?

No.

> I do not have a monitor capable of 15KHz, ...

If your Amiga is equipped with the AGA chipset you can use
"LoadBSD -A ..." to get a DbLPAL/DblNTSC screen.

-- 
Matthias Scheler
tron@lyssa.owl.de