Image quality. The Pro G6900WU's stand-out feature is the balanced, natural quality of the image even in the projector's brightest modes. The Pro G6900WU has well-saturated, bright color, a sharp and detailed image, and great dynamic range. The projector is as strong in video display as it is in data thanks in part to a Faroudja DCDi image processor, an automatic iris, and frame interpolation.
Connectivity. Nearly the entire rear surface of the Pro G6900WU is taken up by its connection panel. As the flagship model of Epson's new G series, the Pro G6900WU features connectors for HDMI, DisplayPort, VGA, VGA monitor out, S-Video, composite, 5BNC component, wired LAN, WiFi (with a $99 adapter), both 1/8" and RCA audio inputs, HDBaseT, and HD-SDI. That last one in particular is not found on any other projectors in the G Series line-up and is unique to the Pro G6900WU.
HDBaseT is getting a lot of attention lately, and for good reason. It combines HDMI, ethernet, and RS232 control over one inexpensive, non-proprietary, easily sourced Cat5e or Cat6 cable. Epson sells an HDBaseT transmitter box for $499 that bundles HDMI, Ethernet, and RS232 and sends them out over a single wire, but aftermarket products are also an option.
Arc correction. If your screen isn't flat, the Pro G6900WU can correct for that. Arc Correction allows you to digitally fine-tune the projection geometry to compensate for a screen surface that is not perfectly flat. In other words, the Pro G6900WU can be used on curved screens without pincushion or barrel distortion. Moreover, the projector is capable of correcting focus in non-flat images, keeping your entire image crisp and clear. Arc correction does apply scaling to the image, so if you are using WUXGA or 1080p content you will lose the benefit of 1:1 native display.
Edge blending. For large-scale screens that require more than one projector, the Pro G6900WU has Advanced Edge Blending. All projectors in Epson's G Series offer edge blending -- the ability to seamlessly stitch the edges of two or more projectors' images in order to make one fully integrated image. But the Pro G6900WU has the "advanced" version, which also includes support for curved surfaces and corner walls.
360-degree installation. Many projectors can only be installed horizontally due to heat concerns, but the Pro G6900WU can be installed in any position. One of several features aimed at digital signage, this allows the projector to be mounted in any orientation without fear of overheating or malfunction.
When you combine these three features -- arc correction, edge blending, and 360-degree installation -- you gain the ability to install the Pro G6900WU in some radically non-traditional setups, making it perfect for digital signage. You can aim the projector at a floor or ceiling, or project onto a vertically oriented screen. Getting more creative, you can use the Corner Wall feature to project a portrait-oriented image onto a curved pillar or sharp 90-degree corner. Getting more creative still, you can use a series of Pro G6900WU projectors to edge-blend a huge display all the way down one wall, around a corner, and onto the next. You could extend that display up onto the ceiling or down onto the floor. The flexibility afforded by these features make the Pro G6900WU a perfect projector for use in digital signage applications.
Scheduling and control. Like most large-venue projectors, the Pro G6900WU can be monitored and controlled over a wired network. Unlike most other comparable projectors, though, the Pro G6900WU has a scheduling feature that allows the projector to be programmed based on a timer and internal clock, which is especially useful in places where network connectivity is unavailable. Using the Scheduler, you can program the projector to turn itself on and off, change sources, change lamp power, mute sound and video, and adjust the volume. These actions can be programmed for a specific date or a repeating day of the week. While the scheduler is not as comprehensive as network monitoring, it is a great way to ensure that a projector does not accidentally stay on all night. It's also ideal for digital signage -- all of your displays can be set to turn off at the close of business, automatically.
Low fan noise. The Pro G6900WU is a bright projector, but it doesn't sound like one. Fan noise, while not whisper-quiet, is comparable to what you'd get out of home theater projectors from a few years back - a low rush of air, noticeable but not annoying. That is a nice bonus, particularly if you've got the projector on a rolling cart close to the audience in the center aisle of a conference room.
3 year warranty with overnight replacement. When it comes to projector warranties, three years is about as good as it gets. But the Pro G6900WU's warranty also includes Epson's Road Service program, so if your projector fails while it is under warranty, Epson will overnight ship a replacement projector to you, free of charge. The warranty also includes 90 days of coverage on the lamp.
If three years isn't long enough for you, extended warranties are available and include a one-year Exchange plan for $199 or a two-year Repair plan for $299.