Late last night, or this morning, or whatever time it is/was where you are, Microsoft delivered a Keynote speech to kick off TGS 2008, and as well as a few other announcements/reveals, they announced Five new XBLA titles:

Space Invaders Extreme

• beautiful graphics
• classic gameplay
• and online features

Due out this Winter

Arkanoid Live

• high-definition graphics
• beautifully choreographed background music and movies
• loaded with 120 stages
• includes online co-op and versus modes

Due out this Winter

Metal Slug 7

• new missions
• new weapons
• colossal new bosses
• new game modes
• new Slugs to pilot

No word on a release window.

King of Fighters 98 Ultimate Match

• new characters and game modes

Due out Spring 2009

R-Type

• two-person local and online co-op play
• switch seamlessly between classic 2D graphics and the brand-new 3D experience

No word on a release window