You can do that in the both ways, they will work well, but the latter is more preferable because requires less changes and DNS and other settings. Before creating a new account with a dedicated Ip address make sure you have free ip addresses.
Originally Posted by kheadley
Is the only way you can give the account a dedicated ip by creating the account in whm and then changing the ip address assigned to it or can you assign it a different ip address when the account is created??