The other guys have provided good comments concerning these various tractors. /forums/images/graemlins/smile.gif
I might ask how many employees will be opertaing the tractor? If it's only going to be one employee, then make sure that the employee has some voice in the decision. Let the person sit on each machine and try them out. It would be important for the employee to feel comfortable on the final choice, especially if (s)he might be operating for a number of hours.
If, on the other hand, multiple employees will be using this tractor, then get the one that seems to be the most "generic", as far as controls go. If these employees have used a tractor in the past that is being replaced, then see if one of your choices might have a similar control layout to the old tractor. That will make the learning curve a little less severe.
Regardless of whether there will be one employee operating it, or multiple employees, make sure that whichever dealer you select will provide proper training for ALL of your employees on the tractor that you're buying. And this training should be part of the package that your company is buying. In fact, it should be a company policy that no employee may operate the tractor until they have successfully received proper training on it.
Sorry that my repsosne doesn't specifically address your questions concerning the costs, but I feel strongly about proper training on company owned equipment. Sometimes in the rush to get the equipment, training gets overlooked.
Let us know what is decided. /forums/images/graemlins/smile.gif