I have two of their dual gauges and had one of the spots on each gauge reading temperature (one water one trans temp), both of the temp readings have failed on me. Not the sensor in either case, I can tap the front of the gauges with my finger and the temp reading jumps around and it's not a...
I have one of these for my RHD and it's crap. Nothing holds the bottom of the pod securely.
I have 2x Auber dual gauges under my radio right now and I'm also not a fan of those. Hard to read in bright light and both gauges failed prematurely.
I have my EGT gauge mounted on top of my steering...
SPOD is not solid state, just a well packaged switch panel and relay/fuse housing.
Racepak and a couple of other companies also make solid state PDM's, but be prepared to spend if you want one. Racepak is $1800USD.
Used on a whole bunch of vehicles IIRC. Probably the majority of new trucks. You can also get the plug for the back with unterminated leads to connect to the vehicle trailer wiring. Whole setup is really nice.
I think the solid state controllers (switchpros, etc.) is the way things are going, but those Bussman RTMR's are really nice. I do wish there were higher current rated micro relays available for some items.