There used to be a Migration Tools option in Downloads, but I couldn't find it today. I spend 15 minutes searching for these, you shouldn't have to. These should come in handy in light of people moving away from SBF to Dynamics GP as no new product releases are planned for it.
Small Business Financials 8.0 to Great Plains 8.0 Migration Tool Information
Small Business Financials 9.0 to Microsoft Dynamics GP 9.0 Migration Tool Information