Hi Firsttimernate,
Hears what I would do if they were mine. Get some good quality organic soil, and transplant them. Check out "Growing basics" that Nebula haze has got posted above, especially her recommendations on super soil. If you could get your hands on something like Kindsoil, that would be primo, if not, a lot of stores are now starting to cary the Fox Farm line, get either the Ocean Forest or Happy Frog. Not my first choice of soils, but Fox Farms will be a vast improvement over the timed release stuff, and will do ok. After that, watching your PH will become much less of an issue, specially with Kindsoil. The Micro Organisms in organic soil do all that PH balancing for you, so you really shouldn't have to worry about it to much.
I would use non transparent pots, or cover them so light doesn't hit the soil. How is your fan situation? It looks like they might be getting to much breeze. When you transplant, go all the way up, to within about an inch of the leaves, it looks like the light used to be a little to far away, which made them "stretch" to reach it. Don't go moving that light to close yet though, they don't want it to bright right after transplant.
Those plants aren't done yet, not by a long shot. Your gonna do just fine. Lot's of great help, and good folks on this site to help you along. Make sure you read through the Growing Basics up top, I still learn a lot there, when something doesn't go right for me and so I read through it again.