Zendikar Rising Bundle
Magic set Bundles (or "Fat Packs" as they were once called) contain 10 booster packs from their relevant set, a set spin-down life d20, an alternate art promotional card, a nifty box, and lots of basic lands. They're ideal for snagging a section of a new set!
Update from WotC: "Initial allocations of Zendikar Rising will be arriving in North American locations in two waves. The first wave will be at the intended launch date of September 25. The second wave will arrive in stores 7 to 10 days after the first wave’s launch. As a result, some locations may experience limited availability until the second wave arrives. Additionally, Zendikar Rising Bundles in North America and the Asia-Pacific region will be delayed and will arrive in stores as soon as possible, though they are unlikely to be available at launch."