The problem that ZSRES is experiencing is the fact that the supplied panel is an FS9 based one, and as such when used in FSX, is missing the Boeing777-300.gau file. That's why ZSRES has no gauges showing! Next time before speaking, why not ASK FOR HELP instead of bashing?
There are only two models of this aircraft. First one released in 2014 (which I call the "prototype"), and the Rollout model, released last year. If you were confused by the "multiplicity of models" on this aircraft, then you'll REALLY be confused when it comes to TDS' 737-700, 737-800, and 737-900 series. No less than TEN different models for each!
Explain HOW it doesn't work? I test all of my packages before I upload them to ensure they work. Since this package is a complete model and texture, kindly go into further detail as to why it won't work for you?
So apparently this plane has two missing gauge files. One from the FSX default Grumman Goose (HSI), and the gauge file from the Grumman AA-5B (which is located on this page - http://simviation.com//simviation/static.php?ID=61&page=2), which I don't think is related to the OP's issue, but I like to have "error free" planes. :-) The sound is alised to the default Maule M-7 (Lycoming IO-540-W), which is close to what this plane uses (Lycoming IO-520-A). Just an FYI for those that like to have sounds from the real plane. I found some downsides to this plane. It lacks a proper 2-D panel, and the landing lights are barely brighter than the taxi lights. There's also a slight issue when, in external view, and pressing L to turn all the lights on, the view "swings" around the plane roughly 180 degrees. The VC also contains TWO GPS', and the 2-D GPS isn't the correct one. Other than that, this isn't a bad plane for freeware.
Instead of ripping it, just don't use it! Not everyone uses a VC to fly (except maybe YOU), you know. You should stick to payware models if you want "useful" VC's!