Re: choosing Instuments
If forced to pick today, I'd go Navico (Simrad or B&G ... same company, share technology). Versus other vendors, I give them big innovation points for what they've done with GoFree. I appreciate that they know how to design a removable wind sensor, and their WiFi adapter runs on 12v.
I have ongoing trouble with a GMI 10 correctly receiving and displaying NMEA2K and NMEA 0183 simultaneously.