Zuckerruebensirup

Thanks for the help guys. By the way, here's where I saw the microSD version, which specifically mentioned the 60Cx model: www.tigergps.com. But it sounds like that's not the way to go.

After getting my hubby a new 60Cx for his birthday last month, I now need to get the mapping software for it, and thought it would a) make a good excuse for a Christmas present, and b ) be nice to have before we head for Alabama this coming Saturday. But, after doing a little research, I realize that I'm completely lacking in my techno-geek skills. Whether that's a good thing or bad thing, I'm not sure, but now I'm in need of some advice. It sounds like City Navigator is the way to go, and I understand that the NT version is more condensed than v8, but where I'm confused is whether it's a good idea to spend the extra $$ to get the SD card version instead. With the SD card, do I automatically have all of North America at my fingertips, without having to upload applicable sections onto the smaller memory card that came with the GPSr? Also, when I do a price comparison, I see that there is an 'SD card' version available for approximately $160, and a 'micro SD card' version for about $30 more. What's the difference? I'm stumped about what I should get, and time is running out.