GPS tech (Garmin, Hammerhead, Wahoo, RWGPS, etc)

Wannabe, I have an etrex and an Android phone w/ mapdroyd. Will test maps for food.

http://www.devx.com/wireless/Article/39239/1954

oruxmaps: http://www.oruxmaps.com/index_en.html
http://androidforums.com/android-applications/74068-have-gpx-track-file-need-reader.html

Here's a fairly detailed list of Android GPS options:
http://androidforums.com/android-applications/55734-android-gps-thread-all-gps-available-android-here.html

*Pocket Queries (GPX files) provide the most information--id, name, cache details, hint, and logs. But they are only available to premium Geocaching.com members.

1. Build your pocket query here: http://www.geocaching.com/pocket/. Choose the "GPX" format, and select the option to have the file compressed to zip format.
   
2. Download the query after it has been emailed to you. There is an issue with downloading attachments in the android gmail program, so you should access your email from the web browser instead. Make sure the attachment goes to the /sdcard/download directory.
   
3. In GeoBeagle, click on the "Offline List" button to get to the cache list page. Click the menu button, then select "Sync GPX files from /sdcard/download." GeoBeagle will import all caches from every file ending ".gpx" or ".zip".
   As with LOC files, GeoBeagle is smart enough to only load new cache files on subsequent loads, and if you delete a gpx file from /sdcard/download, GeoBeagle will delete all caches loaded from that gpx. *
   http://www.androidfreeware.net/download-geobeagle.html
   good stuff! So far, I've figured out that trek buddy has the functionality to allow waypoint navigation, and I've already figured out that there are ways of generating those things. Just trying to get maps set up in trek buddy, will have to try again tomorrow I think, my head is hurting...
   

As for the physical bit, going to try one of those cheapo eBay clamps and possibly a decent waterproof aquabox, but that may be overkill. A ziploc bag should do the trick!