Whatever "Brand" you finally opt for, make sure it is "Networkable", i.e., NMEA 0183/2000. That way you can tie the GPS side into a VHF via an MMSI Number (you can get that FREE).

I have had good luck haunting FleaBay for electronics and have not been stung yet. I'll second the large screen size and COLOR.
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Upstanding Member of the Porcupine Social Club, ergo, the Old Prick in the Upper Left Hand Corner.

AuntyM -- What Crab Audit???? Not That POS Senior AssHat Published!!!!

Hey Mr Childers, have you corrected that Scofflaw Spreadsheet Yet?????