Took me week - so you might find this info helps

VLA Upgrade (contract Renewal for NWSB6.5 customer who's contract just
expired 2 months)
873-009101-CO - Upgrade Novell Open Workgroup Suite Small Business Edition 2
5-User License
877-002824-CO - Upgrade Novell Open Workgroup Suite Small Business Edition 2
5-User (License + 1-Year Priority) Maintenance

Upgrade - non VLA I guess what ever that means
877-002825-CO - Novell Open Workgroup Suite Small Business Edition 2 5-User
License + 1-Year Standard Maintenance

VLA License/Upgrade + Maintenance (NWSB 6.0 - no contract)

877-002820-CO - Novell Open Workgroup Suite Small Business Edition 2 5-User
License + 1-Year Priority Maintenance
877-002821-CO - Novell Open Workgroup Suite Small Business Edition 2 5-User
License + 1-Year Standard Maintenance

If you are in the UK - I would suggest you contact Novell
Call Elen Morton 01344 326 536 or Matt Stone to confirm the Part Number
then contact C2000 for the prices !