I have consolidated few links from Microsoft for MOSS 2007 Product Costing.
মাইক্রোসফট অফিস SharePoint সার্ভার 2007 and Related Technologies pricing
মাইক্রোসফট অফিস SharePoint সার্ভার 2007 products comparison download
2007 Microsoft Office system pricing and upgrade information
Have you ever thought about publishing an e-book or guest authoring on other blogs? I have a blog based upon on the same subjects you discuss and would love to have you share some stories/information. I know my visitors would enjoy your work. If you are even remotely interested, feel free to send me an e mail.