A new member under the name arunvc over at esato have provided lots of info in the rumor super thread. Since he is new, his credibility is in question so it's up to you whether to believe it or not. Here is a round up of all the info he posted. Before that, here is a big update post by shaliron.
"BIG UPDATE:
Symbian Cyber-shot phone planned for the near future.
Movement to Windows Mobile OS (to be released by the second half of 2008) perhaps alongside with their UIQ phones.
Severine is the Cyber-shot with 3x optical zoom. Cancelled because Sofia was so badly delayed.
Jie
To be named V640. Vodafone exclusive candybar. 2 megapixel camera, 176x220px screen, and about 16-17mm thick. Successor to the V630. Will come in three colours: brown/gold, black/orange, and white/orange. Very much like a K530 with JP-8 and HSDPA.
Slim Walkman Phone
Could be named W770. Could be a Walkman version of the K770. No visible frontal camera, 2.2" QVGA screen, non-AF camera, and made of plastic. Could be like a W580 in a candybar form.
W890
W880 successor. 3.2MP camera with AF but no flash, 2" QVGA screen, light sensor and made of metal. Will come in at least 2 colours. Will be JP-8. Should be available soon after announcement (to make the Christmas rush).
The low end candybar is the K205a for the American market. Looks to be a redesigned K200.
MBS-100
A bluetooth speaker system shaped as a ball.
There may be an announcement on the 15th of November, 2007. The P3, Mooi, Akiko, and Lena may be announced.
The W54S is for AU KDDI. It may not be Cyber-shot branded, and if so, another one will come out with Cyber-shot branding.
The SO905i is not Cyber-shot, although there is a phone codenamed SO905iCs, which is Cyber-shot, and may or may not be announced in November.
...another UPDATE:
The P3 will be announced in November and released in 2008.
Mooi will have six keys plus a navigation pad and no keypad. "
Now here are arunvc's posts:
"I can affirm that this Sony ericcson w890i,3.2 mp autofocus,
basic colors should be 2
expected announcement date is q4 with immediate availability soon.
Did u guys notice the keys,se has chaged into normal keys instead of slim ones
Theres surely a BIG ANNOUNCEMENT IN NOVEMBER"
"SOME OF NEW PHONES TO BE ANNOUNCED In Q4 WILL SURELY HIT THE STORE SHELVES FROM JAN 15-FEb15"
"WE WILL SURELY SEE OPTICAL ZOOM PHONES ONLY IN Q2 2008"
"TWO ULTRA HIGH END PHONE TO BE ANNOUNCED ONE IS TOUCH SCREEN WITH NO KEYPAD WITH SIX BUTTON ON THE FRONT
AND A NAVIGADATION PAD
AND OTHER SURELY IS A P SERIES,BUT IT WILL BE AVAILABLE ONLY IN 2008 "
"THERS SURELY ISNT A HIGH END CYBERSHOT WHICH IS TO BE ANNOUNCED SOON."
"ONE OF RELEASED WOULD LOOK LIKE MOTORAOLA ROEKR E6 JUST THE FORM FACTOR WITHOUT KEYPAD.JUST LIKE ROEKR E6 I MEAN 'SLIGHTLY SIMILAR IN FORM AND 'SLIGHLY' SIMILAR IN APPEARENCE MAY BE A LITTLE BIGgER SCREEN THAN E6"
"Possbility of next
Sony ericssons next P-SERIES would be approx 125 grams
SUPPORT FOR HSDPA,UMTS
AND STiLL 256k
BUT 480*640 Res Touch screen
2..8 inch screen
5MP Autofocus with Flash
WiFi 802.11b/g Support instead of b only in P1i
Symbian os 9.1
Probably could be uiq 4
Probably 160 mb internal memory,Probably m2 expansion slot
Probably GPS
probably wap 2.0
Probably C++ support"
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[Source: Just Another Mobile Phone Blog]