Why the sales figures for 3.5 and 3.9? That's not a good indication of market size for various reasons, and H&P never released sales numbers so anything said would be guesswork. Besides many people never bought the 3.5/and 3.9 upgrades, instead sticking with OS3.1. 3.5/3.9 were not major releases. Advanced users could manually upgrade their 3.1 to the same level as 3.9 using freely available software.
Market size is the real question here, the BIG problem is the size of the PAYING market. It's shamefully small ATM.
