We share a range of costs for Web series such as “Dorm Life,” “Sanctuary” and “Foreign Body” in this week’s edition of the New Media Minute and compare those costs to traditional TV.The episode also looks at how fast venture capital money is flowing into the online video sector this year. Hint: in the first three months of this year, investment has already reached nearly half of the dollars from last year. Finally, we also offer an inside look at how an online game for Cartoon Network's "Ben 10" is driving Web traffic for the cable network. Less