new cats box...new experience

i got this new cats box (well, new to me), finally got some time to
set it up, and i've ended up with a few questions.

(1) is the serial console expected to work for an install?

(2) can i continue to admin the box via the serial console after the
install has been done?

(3) is it considered easier simply to stick with the vga/keyboard
console?

i ask because it sometimes seems to ignore the serial console input
(it prints stuff, but doesn't seem to notice when i type), has
"trouble" netbooting:

	boot> boot de0:
	net_open: client addr: 206.223.36.141
	net_open: client name: is.graffiti.com
	net_open: server addr: 206.223.36.132
	net_open: server path: /space/cats/root
	net_open: bootfile=netbsd.aout
	using TFTP
	Loading de0: to 10000000
	netbsd: 3518464DEC ethernet: Read failed return=8000000b
	DEC ethernet: Read failed return=8000000b
	DEC ethernet: Read failed return=8000000b
	+86016+230956 total=0x3a8630
	Calling 0xf0000020
	(hang)

and when it seems it should be fine, it still doesn't "work":

	boot> boot de0:
	net_open: client addr: 206.223.36.141
	net_open: client name: is.graffiti.com
	net_open: server addr: 206.223.36.132
	net_open: server path: /space/cats/root
	net_open: bootfile=netbsd.aout
	using TFTP
	Loading de0: to 10000000
	netbsd: 3518464+86016+230956 total=0x3a8630
	Calling 0xf0000020
	(hang)

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