Just out of curiosity Ggibbo in your first list why would you pick the GME over the ICOM..
as with all the radios listed. the technical stuff will all be pretty much the same. For me, picking gme over icom is that it is Australian owned and made. and the gme radios that are made os are strictly controlled. I have all ways used gme in the car and the hh till the old battery in hh died and couldn't replace it (now using chiinese radio) and will replace it once i can afford it.
I see no point in screwing the power up when all it dose it let other people hear you 5ks further away when you can't hear if there replying to ya anyway, unless your one of those that like to talk over others just to pi55 people off.
The time, place and reason you would use a power modified radio is in an emergency situation.
Just because you can't hear a rescuer, does not mean they can't hear you, and get help to you. That 5ks of extra transmission distance, could mean the difference between you, your wife/partner or child living or dying..
the call you make could be along the lines of:
Emergency Emergency Emergency .. this is ************** .. we have crashed / fallen / been struck by god . we have X number of injured persons. We are located at (give gps co ords or area)
wait for a reply
repeat the call every 3 minutes or so or till you get a reply and establish contact..
that, on the face of it, may sound silly, but could be the difference between getting home alive or burying your loved ones.