Taking the top spot for Sony's compact megazooms is the HX30V. It, too, has the 18-megapixel BSI CMOS sensor found in the HX200V and much of the same shooting capabilities including 1080/60p movie capture with dual record of 13-megapixel photos while recording.
The H90 is the stripped-down version of the HX10V. You get the same lens, but instead of the 18-megapixel BSI CMOS sensor, you get a 16-megapixel CCD sensor. Unfortunately, with the sensor switch you lose a lot of the HX10V's functionality.