Upgrade SQL server 2005 to 2008 with BODS 4.0

Hi,

I want to upgrade database from SQL Server 2005 to SQL server 2008 with BODS 4.0.

I want to know the recommandations for do it and for dataflows that works well.

- How to use SQL Server 2008 with Bods?
- What are the performece on SQL server 2008?
- What are the things to evaluate?
- Is it necessary migrate with BackUp restore mode ?
- What are the step of migration?
- Can we merge the disabled in BODS?

Thanks.