Valve's Jason Holtman and Doug Lombardi recently sat down with GamesIndustry.biz to discuss their big release of Steam on the Mac, and not only do they reiterate that great stat that games released on the Mac see a nice bump in sales, but they say that the best days of Mac gaming are yet to come. They can't share numbers yet on just how many Mac vs. PC players there are (though they say the response has been great, and you can see Mac players in games often), but Holtman and Lombardi both say that from small game developers to big game publishers,