Originally Posted by bljones
I like the Lowrance Elite series plotters if one is looking for a standalone plotter or plotter/depth combo- great value for the money, especially pre-loaded with navionics charts- it saves a substantial amount of cash.
Lowrance Elite-5m HD Gold Chartplotter
I know, it is only NMEA 0183, but if you are looking for a capable standalone, not trying to link it to the rest of your electronics suite, it is more than enough.
I have had one aboard for 5 seasons, and have zero complaints.
Well since the origial budget is 600, this looks good:
Lowrance Elite-7M Gold $584 with free shipping
Lowrance Elite-7m Chartplotter Gold
It is NMEA2000 and 7 inch. I am not familiar with Digital Oasis but they have a 9.8 out of 10 on Resellers ratings with a 112 reviews.