Onkyo has announced the launch this month of three new home theater-in-a-box systems, each consisting of a flexible HDTV-capable A/V receiver with DTS and Dolby Digital processing only, five or seven surround-sound loudspeakers, powerful subwoofer, and an included iPod docking station on two of the systems.

HT-S3100 - 5.1-channel amplifier with passive subwoofer. Price: $379.

HT-S4100 - 5.1-channel system, 200W subwoofer and dedicated iPod dock. Price: $479.

HT-S5100 (pictured) - 7.1-channel system, 3x 1080p compatible HDMI inputs + 1x pass-through, 130 Watts per channel amplifier using Onkyo's Wide Range Amplifier Technology (WRAT), 290W subwoofer and dedicated iPod dock. Price: $579.