I would go with HP tuner pro so you can have your wide band hooked up with it so you can tune your car correct .. i been using the HP tuners right now for 7 years you always have some one in the forum helping you . like i sad get the HP tuner Pro and get AFX NGK wide band with NTK o2 sensor its the best in the market and you all ready to tune your car .
and let me know if you need any tips to tune your car there is a good right up in the HP tuner forum that it will tell you how to tune or get greg banish DVD from summitracing.com it really help bingers to tune and you can get he's books to .
or you can go to
http://www.thetuningschool.com/ and you can find all what you need .
but make sure that you get the AFX wide band with the NTK sensor . don't go with any other wideband brand so you can tune your WOT with it .
hope that help .