My guess would be between 2000-3000.

I think that's way too low.

I suspect the number of people who buy content for Poser is much less than the number of people who use Poser. At least judging from the forensic animations I see on CourtTV, a lot of users get by with just the content that comes with Poser.

DAZ said in their last newsletter that 4,500 customers had qualified for vouchers in their DAZ Rewards Sale. I've heard that they sold 10,000 copies of some of their March Madness items (though I dunno if it's true). And probably a lot of users don't even know DAZ exists.