While excitedly and patiently waiting for my parts to get to me, I was looking over DMD options currently available and it will be very interesting to see how the RGB LED panels come out in comparison. Granted that I haven't seen one of these RGB LED panels in person, and haven't figured out final cost yet (guessing 150-175 depending on price of sourced parts), it seems like they'll be the best bang for the buck with the super valuable addition that they can fit within the standard DMD space, something the LCD alternatives can't claim.
I had to modify my JP's speaker panel to install a tall LCD for DMD Extender in it and remove some bulbs from the back box panel as the screen overlaps. I have since cracked the fragile LCD screen while moving the game to an expo and accidentally having the light panel slam into the LCD... I would imagine the RGB LED panels would be less at risk from such damage.
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As far as I can see, these are the DMD options:
LCD Options (all of which can potentially require some kind of modification to the speaker panel - the LCD screen will stick up over the speaker panel - or flat out not fit due to odd DMD placement or various features present in the backbox that you wouldn't want to cover with the LCD):
-SmartDMD - $250-275 depending on price of sourced parts - SAM (Spike?) games can be colorized, others are limited to 1 custom palette. Large Sega DMD support available.
*Note: While SmartDMD can be an LCD-only option, it looks like there are plans for the RGB LED panels to be able to pair up with SmartDMD, where the SmartDMD colorization is displayed on these panels, so it can also be viewed as a complimentary product to the RGB LED panels. It also does not exclusively have to be used as a DMD replacement. It could be used to add a display in addition to the stock DMD.
-DMD Extender - $250-275 depending on price of sourced parts - Color options are currently limited to 1 custom palette. Large Sega DMD support available.
*Note: DMD Extender is also an option for installing an additional display, such as in the apron, while leaving the stock DMD in place. It is not exclusively a DMD replacement.
-ColorDMD - $400 - Colorization limited to what they release (to their credit, they have been releasing a good number of titles and are praised for quality) - only single color palette otherwise (i.e. user can choose and change from all blue, all white, all red, etc), no customizable palettes like the other 2 (i.e. can't choose for there to be red and green in the same palette).
Single Color LED Options (all of which should be able to fit in a standard DMD space, requiring not alterations to the speaker panel - All are made up of smaller squares and alignment issues can result in visible lines in displayed images).
-XPin - Orange or Red - $230
-XPin - Green or Amber - $260
-XPin - Blue - $280
-XPin - White - $300 - This is the one you would choose if you wanted to change colors with gels.
-Red LED DMD found in Sterns - $195 - available at Pinball Life
Other LED options available? I couldn't easily find any.
Plasma DMD options (replacement for original DMD - stuck with orange, but shouldn't be questions of whether or not they will work unless trying to install in relatively new machines that don't have high voltage):
-$220 list price at Marco Specialties (currently sold out) - couldn't find listing at any other major online pinball retailers. Could purchase used ones for way less. They're not manufactured anymore, right?
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It seems like XPin should move to these RGB panels simply because we're now going to be able to build a working DMD replacement for cheaper than they are selling white panels, rendering them unnecessary because through software you can change colors rather than having to swap gels. Plus we'll have the added benefit of no visible grid, which is my main complaint about XPin DMDs (I own one of their orange displays, for the record).
Add in custom palettes and these RGB LED panels are competing functionally with DMD Extender and SmartDMD in non SAM (Spike?) games. Custom palettes aren't an available option as far I know in ColorDMD.
Add in palette swapping by key frame and these RGB LED panels are surpassing currently available (as far as I've seen, so not 100% sure on this) options in SmartDMD (with non SAM games) and DMD Extender.
Add in frame by frame colorization for all systems, and these RGB LED panels have the potential to surpass the options currently available in SmartDMD (non SAM - as colorization is possible for them), DMD Extender - and match ColorDMD functionality with regards to colorization. It will be interesting to see if ColorDMD will begin adding RGB LED panels as an option.
The only potential drawback for the RGB LED panels when compared to LCD alternatives is that the LCDs offer options such as image smoothing and other effects that some people like. Otherwise I'm seeing RGB LED as superior to all other choices (pending actually owning one and seeing it in person ). My expectation bar is set high. I hope I'm pleased.
Thanks to both ecurtz and Lucky1 for realizing the potential for these panels and each building something to share with others. Thanks to Fast for making US-based adoption of this type of product much easier.