The XL2 version is an update to the XL1 that will be shown later on the floor -- it's the big sister to the XL1 media center system with a built-in HD tuner.

ENGADGET: Live at the Sony press preview

All of the XBR sets -- the 46-inch KDL-46XBR3 and KDL-46XBR2, 40-inch KDL-40XBR3 and KDL-40XBR2, and 32-inch KDL-V32XBR2 -- feature a built-in ATSC tuner plus one VGA, two HD component, and three HDMI inputs, along with the usual flurry of patented picture enhancement technologies, with the XBR3s sporting that shiny piano black bezel which is so popular nowadays that it's showing up at some of the finest bars along the Jersey shore.

ENGADGET: Seven from Sony: new BRAVIA flat-panel LCDs

The bottom line is that local broadcast channels are available in HD to any cable subscriber with a clear QAM tuner, whether you have a set-top-box or not.

ENGADGET: Clear QAM HD isn't going anywhere! HD

Signal strength for over-the-air HD broadcasts was good, and the tuner worked well with MCE to record in "incredible" quality.

ENGADGET: DViCO FusionHDTV5 Gold USB HD tuner reviewed

Baked right inside the matte plastic case is a dual tuner capable of pulling in unencrypted basic cable channels and over-the-air HD broadcasts.

ENGADGET: Boxee TV delivers dual-tuners and cloud-based DVR for $99 November 1st

DirecTV paired its HD interface with the five tuner, RVU ready HR34 Home Media Center DVR back in March, so what will it do next to take advantage of the multiroom boxes with five tuners and massive hard drives?

ENGADGET: DirecTV HR34 DVR 'Genie' recommendations and autorecording get previewed ahead of fall launch

The J PC runs a Core 2 Duo or Athlon 64 FX, Windows Vista Ultimate, 8GB of DRAM, NVIDIA GeForce 8800GTX 768MB of RAM, 2TB of 7, 200 SATA storage, Blu-ray or HD DVD drive and plenty more trimmings like a 7-inch built-in screen, TV tuner and 7.1-channel sound.

ENGADGET: Moneual for a million: Jewelry PC demands dramatic pricetag