Major Nelson has posted the Xbox Live Marketplace schedule for the first part of August, detailing the upcoming Deal of the Week, DLC and Xbox Live Arcade releases. The highlights include the Summer of Arcade -- continuing this week with Castlevania: Harmony of Despair -- as well as next week's Deal of the Week, which discounts Dragon Age: Origins DLC. Most notably, the Dragon Age expansion Awakening will be reduced from 3200 MS Points ($40) to 2400 MS Points ($30). Furthermore, the Red Dead Redemption DLC "Legends and Killers" has been dated for August 10.

As a quick reminder, there are several new items out today, including the Metro 2033 "Ranger Pack," new BioShock 2 DLC and a new weapon pack for Mass Effect 2. Check out the full schedule, including today's new content, after the break.