I created an excel calculator for the warp travel, using the extended Navis Primer rules. I think I covered most of the rules. I just left out some of the most specific (like Rite of Appeasement and so…)
You can download from here: http://www.2shared.com/file/c9xhkodI/Warp_Navigator_11.html
If you have some problem or suggestions I like to hear it.