Best app to record my GPS tracks???

[chrisdabum]

So here are the requirements:

1. Records tracks in 3D (includes elevation data made while flying)

2. Stores them in something easy like a GPX or KML file

3. Uses little battery power

4. Is not too difficult to use (for my not too geeky GF)

If it somehow made it easy to upload and share them that would be a plus but not required.

I do not have an android phone or else I could probably figure this out on my own...... ah maybe someday

Any links, testimonials, advice appreciated.

This might work but it's way overkill, just an app that records the tracks to a file like a regular old Garmin GPS would be perfect. Is there such a thing?
My Tracks for Android

 

[tcat007]

Quick search here (upper right) came up with: http://androidforums.com/android-applications/44761-best-gps-tracking-app.html

 

[chrisdabum]

Thanks, I know how the search works, I was hoping to get a recommendation from someone who has used an app like the one described in my original post. Oh, and I know about Google too.