The smaller $250 Cyber-shot QX10 has an 18.2-megapixel sensor and a 10x optical zoom. The larger Cyber-shot QX100 is longer and slightly heavier (not by much) and costs $500.

If you've been waiting on the edge of your seat for some confirmation of last month's leak of the CyberShot DSC-TX1 and DSC-WS1, wait no longer. Sony's just gone official with the pair of 10.2 ...