>I have a mid sized application in VFP 6 and it works well. Much of the data is actually in SQL 7. I need to do some upgrades to the system.
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>Should I stay with VFP6 or go to 7 or even to eight???

John Koziol suggested that you might want to use VFP8 and it would be out early next year. While you're waiting for the live version you can download a preview copy - follow the link at http://msdn.microsoft.com/vfoxpro/. Make a backup of your data and code and then have fun!