As promised, Microsoft today unleashed the first wave of downloads on the Xbox Live Marketplace as part of its "Bringing E3 Home" campaign. So fire up your Xbox 360 and start downloading! This is the list of downloads available so far:

BattleStation: Midway (Game Trailer)
Brother In Arms Hell's Highway (Game Trailer)
Bullet Witch (Game Trailer)
College Hoops 2K7 (Game Trailer)
Dance Dance Revolution Universe (Game Trailer)
Dead Rising (Game Trailer)
John Woo Presents Stranglehold (Game Trailer)
NCAA Football 07 (Game Trailer)
Rain (Game Trailer)
Sonic the Hedgehog (Game Trailer)
The Lord of the Rings, The Battle for Middle-Earth II (Game Trailer)
Poseidon (Movie Trailer)
Test Drive Unlimited (Demo, Game Trailer)
Lost Planet * (Demo)
Adidas Gamer Pictures
X-3 Gamer Pictures

* Although Lost Planet currently is not found under the "All New Demos And Trailers" page (it is set to be available tomorrow), Matt was able to download and play it. He tells me the only way he could access the download was from the large ad on the main Marketplace page.

Also note that Xbox Live Gold is free this week. Major Nelson is also reporting this includes games such as Halo 2. Microsoft is also holding "Game With Fame" and "Play & Win" events this week.

Other items scheduled for download later this week include:

Lost Planet (Demo, May 9th)
UNO (May 9th)
Adidas Dashboard Theme (May 9th)

Call of Duty Map Packs (May 10th)
WWE Smackdown vs. Raw 2007 (Game Trailer, May 10th)
A Scanner Darkly Movie Trailer, May 10th)
X-Men Dashboard Theme (May 10th)

MotoGP '06 (Demo, May 11th)
Dead or Alive Extreme 2 (Game Trailer, May 11th)
Rihanna will have a live performance of her song, "S.O.S." (May 11th)

Saint's Row (Game Trailer, May 12th)
Hip-hop star Chris Brown will perform three songs live. (May 12th)

The Promise (Movie Trailer, May 13th)

Although more games will likely hit Xbox Live Arcade this week, UNO is the only one scheduled.

Also planned for download later this week are "Behind The Scenes" features such as daily E3 show updates, a daily IGN E3 Wrap Up, as well as a look at Tom Clancy's Splinter Cell Double Agent and Crackdown.