again: from 1 win2k Domain Controller enviornment to 1 win2k3 sbs

we have 1 win2k (standard) DC running, everything i.e. DHCP,DNS etc (NO EXCHANGE!)

bought a new windows 2k3 (SBS) and want to migrate to it.

the win2k3 doesnt have anything but the base OS installed on it (i have made it a member of the existing domain). I want to migrate everything to this new server.
i know first i have to run.
1) adprep /frorestperp?
2) adprep /domainprep? on the win2k machine and then dcpromo on the win2k3 machine,
what else needs to be done. on the dhcp and dns side.
any help would be aprreciated.