Be aware that a number of Maptech products, including their online server,
CANNOT be used for navigation purposes.

Woah Nelly! I downloaded Maptech's Outdoor Navigator demo and got on the
server to download many charts. There was nothing warning me that they
CANNOT be used for navigation. There was a warning that told me it should
not be used as the sole source of navigation information. Of course you
shouldn't rely on any one thing.

Maptech has an exclusive agreement with NOAA. They are the only ones who
get the masters from NOAA. No one else does this. Everyone else just
rescans hardcopy charts. There is a large difference in quality. I've
tried them all and I wouldn't trust my boat to anything other than Maptech
charts.

If you like SoftCharts....by all means, use them. I just hope that our
paths never cross 'cause you're gonna be off course!