Sony officially announced the YENDO, XPERIA X8 and CEDAR phones.
Yendo is the new walkman phone from sonyericsson. in terms of size it is simillar to the x10 mini a bit taller(93.5 x 52 x 15.8 mm).Its interface is similar to x10 mini, but it does not run on android instead runs on proprietary Sony Ericsson OS.It has a 2.6" QVGA TFT screen.dual-band GSM/EDGE, 2MP camera, Bluetooth with A2DP, FM radio and a 3.5mm audio jack.it also features Facebook, Twitter and Orkut integration.
Xperia x8 Is the mid size version of the x10. It features a 600mhz processor with android 1.6, the same interface as x10 mini with timescape.It has a 3 inch screen, 3.2 MP camera,3.5mm audio jack, 2mb memory card, quad-band GSM/EDGE, 3G with HSPA, Wi-Fi, Bluetooth and GPS.
Ceder is the walkman phone from the green heart series. it features quad-band GSM/EDGE, 3G with HSDPA, a 2MP camera, vga recording@ 30 FPS,3.5mm Audio jack and also Widget Manager 2.0, which gives you access to social networks right from the homescreen.