W880 Walkman, Sony Ericsson dropped a couple of slim Cyber-shot phones into the mix today with the introduction of their new K810 (on left) and K550 Cyber-shot handsets. The feature rich 17-mm K810 boasts an image stabilized 3.2 megapixel camera with auto focus and Xenon flash. The K550 packs just a good shootin' 2.0 megapixel cam and LED photo light but does so in a 14-mm form factor. Both devices bring an RM radio with RDS and support for Memory Stick Mico (M2) cards. The K810 has a second cam up front for video calls and goes UMTS 2100 and GSM 900/1800/1900 -- available beginning Q2 2007 in Europe and Asia. The K550 is a quad-band EDGE device that launches in North America from Q2 2007. Er, can we choose again?