Build a ecommerce marketplace for multiple vendors

I want to have a multiple vendor marketplace/online store built using a reccomended script on magento platform. You must have experience with in building marketplaces and share with me such portfolio. The marketplace online store must have the following capability - Mobile responsive - vendor own dashboard - Support paypal adaptive payment - Allow Dropship model - Delivery scheduler - Batch product upload - Ship by vendor or I dropship for vendor - Flexible marketing campaign - seo friendly - email marketing capable - deal of the day/month - shipping charge calculation per order - integration to fedex/ups/dhl shipping - Analytics and reporting State 3 items 1) which marketplace scripts you have used 2) which ones you reccomend 3) First word in your reply should be "Schadenfreude"