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I think I goofed up. Having heard that the Etrex 20 basemap, like all basemaps, is miserable, I went ahead and jumped the gun on purchasing the 24K topo for my region on SD.

And then I found out about the whole birdseye image thing, which seems extremely groovy.

And there's where the problem starts. Maybe.

Given a choice, I'd biggie-size my sd card and go to SAT image buffet like a fat man quitting a diet.  But now I have my GARMIN SD map card stuck in there. I suspect they aren't generous with their unused capacity. So -

1) Will I be able to take the map from the SD card and transfer it to a Big Gulp Sandisk, so I can add the croploads of pretty tiles I'm anticipating?

failing that,

2) can I shift the map from the card to the internal memory, so I can free up the SD slot?

failing that,

3) Am I just completely boned and should just get over it, or is there a 3rd option I haven't figured yet?

Thanks for the assit!

- Bob

Hey, Fellers;

I have to confess that, deep down in my soul, I do believe I am getting stupider with age. I have worked MIDI mixing and built professional websites, but entering this whole GPS arena is beginning to fill me with dread. God help me... I'm becoming my father. So, be gentle with me...

The thing is this: I've just gone a little mad, and picked up an Etrex 20 with eyes on a trip to Ireland in the Spring. Basemaps suck - check. So, I went ahead and ate the cost of a local (US NE) 24K, so I can be all cool and Star-Trekky here at home.

Now things get confusing.

From what I (think) I understand, I can subscribe to Birdseye, from which I can download SAT imagery to overlay on the map, giving me a photo-realistic overhead view of where I is. Groovy. Plus One Star-Trekky.

HOWEVER... We shift to over the Atlantic, and we get this thing called "Birdseye Select." From what I can figure, this is simply a Vector copy of the OSI paper maps - no pretty pictures, just terrain lines, etc. So, OK...

Now - you have the Garmin Discoverer series, which, as I thought I'd understood it, is a topo raster map of the same thing.

So I figure I must be wrong about something. Because to spend extra to lay a map over a map would just be kinda stupid... wouldn't it? Is there something I would gain by it, for the week that I would be casually using it?

Finally, are SAT images for the E20 available for Ireland, so I can be the cool kid on the trip with the whiz-bang spaceship device, or am I SOL? Thanks for any clues you can pass on.