ECC 5.0 and BO without BW/BI Integration Best Practise

Hi,

I know that SAP can connect with BO system using RapidMart (replacing data warehouse BW/BI). Is this best practise?Because when i see the BI Platform RoadMap,I conclude that BI and BO will be integrate into one product, and i'm afraid to invest right now because in the future it seems we need to implement the BW system to make this BI system optimal.

My company want to use BO without implement BW system right now. SAP system that we use right now is ECC 5.0 and my company only upgrade it to next version when version 5.0 not supported again.Thank you.

Cheers,

Satria