The Major Nelson blog has once again outlined the next few weeks of Xbox Live Marketplace offerings. For Xbox Live Arcade, today brings Outland for $10 (800 MSP), and next week we'll have Bangai-O HD: Missile Fury for $10.

This week, several games are on sale for 50% off, including Risk: Factions ($5), Banjo Kazooie ($7.50), Centipede and Millipede ($2.50), Street Fighter II Hyper Fighting ($2.50), and Contra ($2.50). Several TV shows like South Park, Deadliest Catch, and various Nickelodeon shows are also on sale for varying price points.

Next week, the Gold-exclusive Deal of the Week is Castlevania-heavy, featuring Harmony of Despair, its associated downloadable content, and Symphony of the Night all for 50% off.

A few notable demos are also coming next week, on May 3: Red Faction Armageddon and Lego Pirates of the Caribbean.

Finally, Dead Rising 2, Tekken 6, and BlazBlue: Calamity Trigger are available as Games on Demand this week. Next week will bring Call of Duty: Black Ops to accompany the Escalation DLC, which the blog also reveals will be $15 (1200 MSP).