This years E3 expo is July 15th and Microsoft is going to be having a big press briefing right before that and unveil all the cool things that they are working on for this fall.

"Newton" Motion Sensitive Flying Mouse Controller Unveiled
Chance at E3 : 95%
If they are going to start selling it this year they need to show it off and build a buzz soon enough. Likely games to use it: Banjo 3, Gears of War 2 and "Ninja Blade"

"Lips" Microphone Communicator Accessory Unveiled
Chance at E3 : 95%
I would not be surprised to see a handheld wireless microphone that could be used with Rockband, Guitar Hero On Tour and other singing games. I could see them making karaoke games for XBLA.

$30 Price Cut for Xbox 360 hardware
Chance at E3 : 95%
They have a newer cheaper motherboard hitting the market in September and Shane Kim said that Nintendo might not always have a price advantage over the Xbox 360. That means that we might see a price cut in the US that is at least 30 buck off the 30 line to push the Xbox 360 Arcade SKU to the Wii"s price point......