Use BPC infoobjects for IP Cube

Hi  Gurus,

One of our client has a user base of 1000 and client can afford only 30 BPC licenses. For the remaining users the proposal is to have planning solution in BW IP.

Wondering if it is a good idea to use BPC created infoobjects ( or may be not directly but use Z infoobject referencing BPC Infoobjects )  for the BW IP build. We think we could leverage on BPC master data directly in the IP solution.

If any of you have done this past, it would be good if you could share your experience and challenges you have faced.

Also what are the advantages and disadvantages of this approach?

Thanks,

Arun