All the research I have seen is suggesting that the streetpilot 2820 is very similar to other comparable products. This GPS is for motorcycles and is thus waterproof, but is said to be bulkier than others. http://www.consumersearch.com/auto-gps/garmin-streetpilot-2820
There is not a specific period that the streetpilot 2820 needs to be updated. Rather, it's best to update it periodically so that you can add maps whenever roads have been updated around your area.
The Bold and the Beautiful - 1987 1-2820 was released on: USA: 17 June 1998
2820 = MMDCCCXX
2820 x .02 = 56.4
The Garmin Streetpilot C330 is a global positioning satellite device that can be used in an automobile. The Garmin Streetpilot C330 can be mounted and updated to helps the driver better navigate the roads.
The web retailer with the best deal on a streetpilot c550 would be either ebay.com or amazon.com. You can compare the different prices other people are offering the streetpilot c550 for.
The Streetpilot 2720 is a discontinued item that was produced by Garmin: https://buy.garmin.com/shop/shop.do?pID=6387. However, the Streetpilot can still be purchased (used) at Amazon beginning at $199.95. http://www.amazon.com/Garmin-StreetPilot-2720-Portable-Navigator/dp/B000A5T7AO/ref=sr_1_1?ie=UTF8&qid=1309408998&sr=8-1
Yes, you can create a route with the Streetpilot GPS. The best way of finding out how to do this is to consult your user's manual for the product, or by checking out Garmin's website.
The Streetpilot c530 features and anti glare display and turn by turn navigation that speaks while it directs you. http://www.amazon.com/Garmin-StreetPilot-3-5-Inch-Portable-Navigator/dp/B000FCSXBQ showcases all the features and great reviews from users.
The streetpilot2720 has several features that make it a good purchase. In addition to being completely portable, the streetpilot is XM compatible, a feature that few other GPS's possess. The streetpilot can also alert you to upcoming traffic obstacles. https://buy.garmin.com/shop/shop.do?pID=6387
A streetpilot 7200 is a model of a gps device. the main difference in models is the compmay that is making that model and what features it will offer.