Great. As a fellow TAIan, it is our duty not to mislead you for something. So, you will surely see many guys during meetups. If you meet guys like Indian, you are rest assured that you will get the right product .
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I think if we spend just little bit of extra time and contribute in our area of expertise, we will do a knowledge base for sure. I think its a win-win situation. That's the whole idea behind the great places like this (TAI). We are a community. I am happy to be part of this great community.
Back to to topic...
I think GPS navigation one of the great 'Must have' for any smart phone. There are so many ways you can use it. Just imagine you are on a unknown city and want to walk across, and quickly want to find out is there a KFC around? Note that most navigation software now support 'Walking Mode'(Sygic/GMaps/Nokia).
But one need to really understand about it before you invest your money. That's why I and others have said that buy something which you carry with you rather than the dedicated car mounted navigation. This gives you flexibility. And more importantly you don't know when exactly you need to use navigation software. If you are in a remote hill station without data connection, quickly you can make a search on the navigation software for a POI(Place of interest)
If you are serious about GPS navigation, its better to invest on a quality device. As its discussed here before make sure to have...
* 'A-GPS' support and maps storage(offline mapping).
* Make sure to have larger screen, cuz while driving you will be glancing over the display.
* Better sound as you need to hear things.
* Have better processor and memory because GPS navigation is processor intensive program as it has to do too many things in real time. Also all other applications are also running in the background such as phone or you email sync etc.
* Car charger, as for long drives it is a MUST.
* Device holder, to hold your device firmly. And position the device such a way that device is always exposed to sky at the same time you can also see it without any movement from your driving position.
* Teach your wife, kids or partner(who will accompany in you car mostly) about the usage. Why? lot of times I have seen that while on a long drive, on the fly I want to change or deviate from our original plan, such as visiting a temple, rest rooms or park to relax near by. Finding this new location someone else has to do it because you don't want to be disturbed and more importantly you don't know when exactly to start searching? So your co-passenger can keep searching and pin point.(GPS navigators have a feature where you can search based on your current position while actually on a active navigation)
OT: Recently I did a trip from Mangalore->Murudeshwar->Badami->Eihole->Bijapur->Hyderabad->Bangalore->Mangalore on a hired Innova. The driver was amazed that my device was able to guide whole trip even the site seeing. I think these taxi drivers should have these technology available to them. Seen city taxis at Bangalore using them though.