We need a thread here to keep track of GPS enabled tablets to keep an eye on for overland use. CES is spitting out a ton of them right now.
Notion Ink Adam - Old news but reviewers are actually getting their hands on them now.
GPS, Daylight readable screen, Android
http://www.slashgear.com/notion-ink-adam-hands-on-at-ces-2011-05123431/
Motion CL600
GPS, Rugged form, Gorilla glass, 4 foot drop test, Windows 7
http://www.slashgear.com/motion-cl600-rugged-win7-slate-packs-oak-trail-atom-05123219/
iPad 2
More info this month if Apple follows their typical cycle
Notion Ink Adam - Old news but reviewers are actually getting their hands on them now.
GPS, Daylight readable screen, Android
http://www.slashgear.com/notion-ink-adam-hands-on-at-ces-2011-05123431/
Motion CL600
GPS, Rugged form, Gorilla glass, 4 foot drop test, Windows 7
http://www.slashgear.com/motion-cl600-rugged-win7-slate-packs-oak-trail-atom-05123219/
iPad 2
More info this month if Apple follows their typical cycle