IŽd lide to know your opinion about the commercial survey application softwares for handheld computers. Which is the best?. Is the user's guide available in Internet?

We currently use Carlson Survstar. It very easy to use and will work with several different GPS syatems as well as total stations. No real complaints with it. Support is excellent. there web page is: www.carlsonsw.com I think you can download a free demo version. If you like it you call in for a change code to purchase it.