This is considered the "Any Room Range" with sizes ranging from 32 to 55". These sets typically do not have any network support but do provide for a USB input. They also feature limited HDMI ports (typically 2). This range does not support 3D content. 

This range adds network connectivity with an Ethernet port and WiFi support. Along with the network support you get the ability to browse the web, Skype with friends, play media from DLNA servers and more. The display is also enhanced with 3D support, including 2D to 3D conversion. Intended for use as an entry level family media display.

Sony HX Series: This is Sony's "Performance" TV which enhances the display with a 240Hz display, making it more appropriate for gaming, action and sports content. The HX displays feature dynamic LED backlighting which was once the signature feature of Phillips TV sets. 

Given that there are three letters in the acronym, these sets must be special! Designed for serious media enthusiasts this range features a host of features including obvious ones like Distance Alert, White Balance, Face Detection and more.