At an event tonight in London, Sony Ericsson has formally launched the 'Idou' concept as the 'Satio', to be available Q4 this year. Rafe's on the spot and will report here shortly in much more detail. See, for example, the AAS Twitter feed. Two other non-smartphones were launched, with equally 'modern' names, it's a new chapter for Sony Ericsson, it seems. The Satio will have its media player integrated with YouTube and Picassa, plus there's full Play Now Arena support. Plus the already-known specs, including the 12 megapixel stills camera and Xenon flash. More below. Don't go away....

Pending Rafe's coverage, here are bits from the official press release:

"Download exciting music, movies and games from PlayNow™ arena to personalise your entertainment experience on Satio and enjoy them in crystal clear 16:9 widescreen format.  PlayNow™ arena provides a full range of mobile entertainment available by dual download to both your PC and mobile phone with specially developed ring tones and music tones and DRM-free music tracks and TrackID™ charts from around the world."

• True 16:9, 3.5 inch widescreen – feast your eyes on movies
• Express yourself through images – 12.1 megapixel camera, intuitive touch focus, Xenon flash and face and smile detection
• Web albums with messages – talk through pictures and share your experiences
• Intuitive full touch media menu – tap directly into your favourites, from web pages to pictures and media files
• Symbian Foundation operating system – thousands of applications available online
• Music player – play your tunes loud and proud

To make your listening experience even better team Satio with the smallest headset on the market, the Wireless Stereo Headphones HBH-IS800 to listen in crystal clear sound.  Alternatively, maximise your mobile video experience with the Video Viewing Stand IM920. 

Satio supports GSM/GPRS/EDGE 850/900/1800/1900 and UMTS/HSDPA 850/900/2100. Satio will be available in selected markets from early Q4 in the colours; Black, Silver and Bordeaux."

Specs highlights:

• 12.1 megapixel camera, BestPic™, Face detection, Photo fix, Red eye reduction, Smile detection, Touch focus, Video light, Video recording, Xenon flash

• PlayNow™ music player, Track ID
  
• Conversations app
  

• Email, Exchange ActiveSync™, Handwriting recognition, Instant messaging
• Gesture control
  

• S60 5th edition Symbian™ OS
  
• HD and 3D games
  

• Facebook™ application
• YouTube™
  
• TV out
  

• WiFi™
  
• Document editors
  

• Google Maps™
  

• Turn-by-turn navigation
• 8GB Memory card included
  

• Size: 112 x 55 x 13.3 mm
  

• Weight: 126 grams

• Colours: Black, Silver and Bordeaux

• Resolution: 640 x 360 pixels
  
• Size: 3.5 inches

• Phone memory: 128 MB
• Memory Card Support: SanDisk microSD™

Availability and versions
Networks:

• GSM GPRS/EDGE 850/900/1800/1900
• UMTS HSDPA 2100

or (Satio(a))

• GSM GPRS/EDGE 850/900/1800/1900
• UMTS HSPA 850/1900/2100

• Available in selected markets from early Q4 2009.