Get a backbone man, you got all the shit to have a great hydro grow, most first timers screw-up by not getting all the goodies need for monitoring there grow and here you go and get it and get cold feet. I got money says that once you get over the intimidation of growing hydro, The only soil growing you'll do is to keep a mother plant.
My Hydro Grow:
http://forum.grasscity.com/general-i...te-weekly.html
By the way, good job on getting adequate lighting and great seeds, and I hope you got good soil.