Why should I use BO BI 4.0 for my existing SAP NetWeaver ?

Dear Sirs,
Question about BusinessObjects BI 4.0 & SAP Netweaver 7.0.
In my company we use NetWeaver for a year. We have some reports on portal, so we have some analysis via www. It seemed to me that this is enough for us.
Now on the market is available new version of BusinessObjects - version 4.0.
My question is :
Why should I use BO BI 4.0 for my SAP BW?
What will I gain by implementing BO BI 4.0 in conjunction with SAP BW?
Can I use existing reports on the new platform?
Can you give some links to documents, presentations and notes to answer these questions?
Best regards,
Emmo

Hi Emmo2000,
Please see my answers below:
Why should I use BO BI 4.0 for my SAP BW?
What will I gain by implementing BO BI 4.0 in conjunction with SAP BW?
Please see this SDN article which covers a lot of the new features of BI4.0 :
/people/ingo.hilgefort/blog/2011/03/24/sap-integration-update-9--should-you-start-with-sap-businessobjects-40-or-wait-for-41
Can I use existing reports on the new platform?
There is the ability to integrate BexWeb applications via our BI Launchpad. I'm not sure if this is what you are referring to but the following should clarify:
http://wiki.sdn.sap.com/wiki/display/BOBJ/HowtointegrateBExWebApplicationsintoBI4.x
Can you give some links to documents, presentations and notes to answer these questions?
For detailed information on the BI4.0 suite, I would direct you towards our product documentation:
http://help.sap.com/businessobject/product_guides/
I hope this is helpful and fully answers your question.
Kind regards,
John

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