vshosting said:
My mistake, I meant to say copy /var/named from new to old server.
Been a long day

luckily I am not doing any server transfers this weekend
Wont help much if its a windows server its going onto and you dont have the equivalent of root access to the old one (if its a FH reseller account)
I would seriously advise you to go the 2 new nameservers route as you've started, with the .net domain
After the domainis registered, create 2 nameserver records at UKREG to the ips of the new server
On the new server get your chosen DNS application installed and running.
register a test domain (say the .org.uk for your company) and at registration, specify your new ns1/ns2 nameservers.
Add the domain to your new server, either manually in IIS etc or through whatever control panel you've picked.
Check the "zone" is working - use tools like
www.samspade.org and
www.dnscheck.com etc to analyse the results, fix, tweak etc
Once you're happy that it works, upload a few test pages and check they are "served" correctly to a browser, setup mail and check you can send/receive so you know pop3/smtp is functioning.
Then setup all your domains, copy over all the client sites, ask them to collect any emails etc, make the changes to each of the domains to use the new nameservers, and for good measure, change the IPs of the old nameservers to the same as the new ones, and wait ...
Keep the clients informed, they will appreciate it if you explain whats going on, why it will benefit them , nad how to contact you if they cant send/receive email. Also ask them to temporarily suspend updating their sites, check any ftp settings they have to use thedomain not the IP, and to "lock" and databases so no updates are lost during the transition periods