Thanks for the replies and suggestions.
I just discovered today, that my remote mike wire is not replaceable due to lack of parts, and that a new mike will not work with my old radio. Bummer!
The second VHF idea was as both a backup and to allow the monitoring of at least one other channel (full time). I admit, a bit of a luxury as I do have a handheld. So, for the time being, I will just remove the remote mike (it is only about 8 feet away from the "main mike" anyway). I do have only one steering station after all.
I have been looking closely at Morad antennas and appreciate the first hand knowledge. I am leaning toward a 6dB 4.5 foot antenna with a 5 foot extension.
As far as AM/FM goes, yes when at anchor, we usually listen to music from our IPod broadcast through the radio. We could go the bluetooth speaker route as well (using IPad instead). The only time I use the FM is when in our home port and I am down working on the boat! I think while I am at this, I will rebed all antenna mounts and clamshells on the roof.
Lots to consider, and if anyone has anything to add, please do