I prefer the SMI DC/CVCE card (Data Collection/Construction 5 Enhanced) for the 48gx. I use a Topcon total station with mine. You can find them listed on ebay and reasonably priced.
Thanks for the replies. I also think Agtek is the best out there. It has been difficult to find anyone wanting to sell a used version. At this time I cannot justify the purchase of the newest version. There are also issues with purchasing a used Sitework 98 version where you have to be...
I have been considering purchasing Quest Earthwork, Estimator, and Trenchwork. I am interested in getting feedback from anyone who is familiar with these products, specifically, how Quest stacks up against Agtek, Paydirt, and Timberline. I have used these three for twelve years, thus making...