I'm currently building a new website for a client. They are currently hosting their site with another hosting company, however they will be changing their hosting over to us when the site is ready to go live.
Our client uses Google Business Apps (GBA) for their email and a few other systems, such as their accounts package etc rely on their current setup.
What is the best way to approach this migration. Should we just add the DNS records to the new development server, including Google Mail MX records, so that when we point the nameserver over to the new server, everything will be in place?
Any advice would be greatly appreciated.