167w ago - Update: If anyone missed it, the video of Sony's 2010 GDC can be rewatched below!

The Sony Press Conference at the 2010 Games Developer Conference (GDC) will be streamed live on G4TV, and among other announcements it will likely include fresh details on the upcoming PlayStation 3 Motion Controller.

Below is a GDC 2010 video on it via GameSpot with SCEA's Rick Marks alongside tonight's broadcast details, as follows:

"G4TV.com will be streaming the entirety of Sony's GDC Press Conference starting at 7PM ET on Wednesday, March 10.

What does Sony have up their collective sleeve? We could see some possible game announcements, and a new demonstration of their new motion controller, but the only way to find out for sure is to tune in and watch it unfold live... so... do that.

Attack of the Show will be the only exclusive television coverage and will be breaking in live to the press event as well on Wednesday, March 10 at 7PM ET. If you feel like watching some of the press conference on your TV, then G4 once again has you covered."

174w ago - Today Sony has officially announced that their Motion Controller (final product name is still unconfirmed) for PS3 will be available worldwide in Fall, 2010.

Press Release: PRESS RELEASE: MOTION CONTROLLER *1 FOR PLAYSTATION 3 TO BECOME AVAILABLE WORLDWIDE IN FALL 2010

Motion Controller, Together with an Extensive Line-up of Software Titles, Delivers Whole New Entertainment Experience on PlayStation 3

Tokyo, January 20, 2010 - Sony Computer Entertainment (SCE) today announced that it will release its new Motion Controller (tentative name) for PlayStation 3 (PS3) computer entertainment system in fall 2010 in Japan, Asian regions and countries, North America and Europe/PAL territories together with an extensive line-up of exciting software titles.

The new controller, combined together with the PlayStation Eye camera *2, can detect the natural and intuitive movement of the hand and reflect the precise movement within the game, delivering a whole new entertainment experience on PS3.

"We have decided to release the Motion Controller in fall 2010 when we will be able to offer an exciting and varied line-up of software titles that will deliver the new entertainment...

174w ago - Update: Despite THQ CEO Brian Farrell recently calling it Arc, according to Geoff Keighley's Tweet, to quote: "FYI I'm hearing Arc is NOT the name of the Sony Motion Controller, but a code name." However, Sony has registered the Arc trademark in Japan.

Today VG247.com (linked above) reports that according to a concrete source speaking under conditions of strict anonymity Sony's PS3 Motion Controller will be named PlayStation Arc, of which a domain has also been registered in the same name at PlayStationArc.com.

This news comes just over a month after the previous rumor that the PlayStation 3 Motion Controller was dubbed Gem, which ended up being an early code name for the product.

To quote: "The company is now saying its Motion Controller - the official name thus far - will release "this year": global boss Kaz Hirai had previously claimed it would be out this March.

The Motion Controller consists...

180w ago - Update: Despite a "Gem" of a slip-up reported on GameInformer.com by Disney president Steve Wadsworth during a keynote address, according to Kotaku, the term "Gem" was "an early code name for the product," per Sony Computer Entertainment of America director of communications Patrick Seybold. "We haven't announced final name at this point."

Recently a patent surfaced on Sony's PS3 Motion Controller, however, excluding previous rumors the peripheral has yet to be officially named.

Today, MCVUK.com (linked above) may have found a clue... Sony's upcoming PS3 Motion Controller could be named simply PlayStation Gem.

To quote: John Riccitiello refers to new tech as the PlayStation Gem at UBS Media Conference.

Maybe he mis-spoke, maybe it was a slip of the tongue - or maybe, just maybe, EA boss John Riccitiello has accidentally...

180w ago - A recent patent filed by Sony Computer Entertainment Inc. has revealed what are believed to be some attachments for Sony's upcoming Motion Controller Wand PS3 accessory.

To quote: "The patent for an "Expandable Control Device Via Hardware Attachment" touches on a number of control options. According to details from the patent, Sony's motion controller may offer the option to join two motion control units together lengthwise or in an H-shape.

And as pictured above, a unique, secondary controller attachment may offer a solution to the one DualShock in one hand, one motion controller in the other hand scheme seen at Sony's Tokyo Game Show press conference.

Other potentially interesting add-on possibilities are attachments shaped like a baseball bat, a the business end of a flashlight and a rattle-like sphere that's very maraca like.

Perhaps more interesting is a...