Here are some helpful webistes for ArcPad, ArcMobile and Trimble Positions “Resources and Videos”
ArcPad Resources:
ArcPad and ArcMobile videos:
Esri learning center has a 3 hour ArcPad 10 video
ArcMobile High Accuracy with Trimble Positions
ArcMobile videos via ArcGIS Resource Center
ArcPad and ArcMobile Blogs:
Esri Mobile GISBlog for ArcPad and ArcMobile
ArcMobile Resources:
ArcMobile for Windows Mobile Help
Trimble’s Position Websites:
Trimble Positions Tech Support website