> 1. Is it possible to start GPS automatically, should I have to go into
> the menus to start it every time or to start navigation.

when you start navigation GPS start automaticaly.

> 2.Is it possible to get the program to run without fullscreen, and to
> set coordinates for where it should place itself on the screen ?

Now our programers resolving this question, this feature be active soon. ( 1 - 2 month )

> 3.Is it possible to disable voice prompts?

No


> 4.How about the OCX modules, is it available? Should I buy as a separate
> product and how about the price?

Yes you can buy OCX. Prize is 5,500,- CZK without VAT