Hi, have you seen the garmin nuvi? the following is a quote from amazon.com Product Description Product Description The nÜvi is a portable GPS navigator, traveler?s reference, and digital entertainment system, all in one. I'm sure you could find much better discriptions on the net though. Hope this helps. Chris *********** REPLY SEPARATOR *********** On 12/5/2006 at 10:40 AM Peter Scialli wrote: >Hi, > I'm thinking about getting a portable GPS unit for someone sighted. >It >should have turn by turn directions. Synthetic speech for street names >would be nice, but is not essential. It should have quick acquisition >time. >I've seen a Magellan unit that takes a really long time to acquire the >position. Also, I'd like it to come with the whole U.S. maps and POIs >built >in. It should also have a battery so it can be used handheld or if the >power source in the car is temporarily unavailable. Any suggestions? > Peter