Help me get set up on a Windows Mobile Phone

[sanddrag]

So, I'm taking the leap into the world of smart phones with a Windows Mobile phone. I will pick it up tomorrow. It has 3G and GPS, and I got an 8 gig card for it. I'm not terribly familiar in all the best applications and everything. I want to make the most use of this device that I can, so, I'm turning to CD for recommendations. It currently has Windows Mobile 6.1, but I can upgrade to 6.5 (I'm assuming this is a good idea?). So, what applications should I have? Anything FRC specific that would be handy on this thing? To start, I of course want Google Maps on there, but is there anything that will give me turn by turn voice navigation for free? Anything free that will make the phone a wifi router? I'm assuming some setting in the phone can let me tether it? Better browsers, media players? I want to take my .wtv recordings from Windows 7 and watch them on the phone. Any tips on what to use to convert them? Also, I need all the good unit conversions and stuff, and Acrobat reader. Hopefully someone here with a Windows Mobile phone can help me figure out all what I need to do to this thing. Thanks.