Oh sure, having Boxee nailed down to the desktop of your PC is fine and dandy, and that Boxee Box will ensure that the same experience is enjoyed by all who plant their fundament in front of your HDTV. But we all know what you're after -- lemon drops. And a mobile version of Boxee. In a post today by the company, it expressed outright joy in inking a deal with Vindicia in order to bring a payment processing solution to the platform; slated for implementation "by the end of the summer," this CashBox add-in would enable users to purchase "premium content" from Boxee's programming partners via credit card, gift card or PayPal. It's a