HP z555 Digital Entertainment Center

HDTV tuner, along with two SDTV tuners. Horizontal A/V-style shape. Quiet. HP Personal Media drives. Wireless net-working. Wireless keyboard with trackball mouse. A plethora of input/output ports.

ATSC (Advanced Television Systems Committee) tuner doesn't work with satellite or cable HDTV, only over-the-air broadcasts. Suffers from crashes and system slowdowns when left on for extended periods.

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Can record three shows at once, including one high-def; beautiful case design; built-in Wi-Fi; gamer-friendly graphics card.

Expensive; monitor and speakers aren't included; processor and memory are a bit lackluster for the price; nonstandard Media Center remote; high-def still limited to over-the-air content.

With a big price tag and generous extras, HP's feature-packed z555 can be the centerpiece of your high-tech home theater.