There is now an upgrade path available from Sugar/Suite CRM 6.5.x to SuiteCRM 7
Download here
[b]IMPORTANT - Always make a backup of you current Sugar/Suite CRM instance and database before doing the upgrade
It also may be advisable to do the upgrade on a test environment first
This upgrade may only be done via the Upgrade Wizard in the admin section and doesn’t currently doesn’t support the silent upgrade option[/b]