In a smaller organization, different people need different product information. Sales wants a longer term roadmap, development wants to see what's next in the backlog and management wants to see why items are being prioritized the way they are. Here's a technique from my Lean 2011 talk on visibility.
1. Nowhere to Run, Nothing to Hide Nothing to Hide Making Your Organization Progress and Agile Transition Visible Presented at Lean 2011 by Jason Little http://www.agilecoach.ca
2. a better backlog Jan Feb Mar Theme 1 - cost of delay* Theme 2 -cost of delay* Theme 3 - cost of delay* Theme 4 - cost of delay* Sprint 1 - feature a - fix b - fix c Sprint 2 - fix f - improvement g - fix h Sprint 3 not sure yet story/epic current story/epic story/epic story/epic story/epic story/epic story/epic story/epic story/epic story/epic Release