No image of the new equipment, unfortunately, but some specific information about United Airlines’ next-generation first-class seat (or “suite,” as they call it). (UPDATE: See here for image of new seat.) The new seats will be installed on 3-class widebody planes, which primarily fly internationally but occasionally show up on domestic flights.

But don’t expect to sit in one of these seats anytime soon: The first installations will be “live” in the 4th quarter of 2007.

Here are some details, from an in-house release:

* The United First Suite reclines to multiple angles or serves as a fully flat 6-foot, 6-inch long bed which fulfills requests by customers for more privacy and a versatile area to work or relax.

* The suite also provides a cutting-edge entertainment system, with an individual 15.4-inch widescreen flat panel monitor and an on-demand digital video and music system that offers multiple selections of movies, TV programs and video games.

* Customers will have their choice of 50 channels of XM-branded audio delivering more than 3,000 songs and a jukebox to create customized playlists. Both the entertainment system navigation controls and content will be offered in several languages.

The suites also provide:
* a 110-volt universal plug for laptop power, compatible with power outlets for 145 countries;

* a Universal Serial Bus (USB) port to charge personal electronic devices, such as personal digital assistants, cell phones and digital cameras;

* multiple stowage compartments to accommodate a laptop bag and other personal items;

* noise-canceling headphones; and

* an Apple iPod connector that enables customers to play their own music and video content through the suite’s entertainment system, as well as recharge the iPod unit.

So we know the length, but not the width of the new seats.

No details either on any service changes (e.g., meals, wine) to accompany the improved equipment.

If anyone is willing to share photos of the prototype seats, which were apparently debuted in-house earlier this week, I’ll be happy to post them. (anonymity assured…)