Jim,
I have a wired remote for my autohelm that is mounted on a quick release bracket on the starboard side of the companionway. I am able to stand on the top stair, protected by the dodger, and control the boat from there. It has all the same readouts as my pedestal instruments; wind speed and direction, boat speed, depthmeter, xtrack error, and even the ability to tack.
I find it useful getting the boat dead into the wind when raising the main. It's also great for staying out of the weather without losing the ability to make course corrections on days when the weather is less than ideal.
And I know this will sound crazy, but I also use it to make course adjustments when I am at the mast setting the cruising spinnaker. It has a 25 foot long cord that will easily stretch to the bow. Granted, that the conditions have to be ideal for me to singlehand the cruising spinnaker, but I find the remote very useful.
When I bought the boat from the previous owner, the connection jack was installed, but the remote was not part of the sale. I had to go and buy it myself, and now I understand why. I don't think I'll give mine up either, it would be hard to part with.