No Market Share movement for WordPress 3.0 yet sorry.
Get a list of 140,445 websites using WordPress 3.0 which includes location information, hosting data, contact details, 28,778 currently live websites
and an additional 5,734 domains that redirect to sites in this list. 111,667 sites that used this technology previously and 14,720 websites in the United States currently using WordPress 3.0.
Distribution of locations of all WordPress 3.0 customers we've ever tracked.