Delwin, is that a byblis as your avatar, that's some insane coloration on it!
And thanks for the tip, but I am not too worried about the temps getting too high, my current setup has two t5's and it only gets up to 26 celcius. In such a large enclosure, I am not too concerned about it. However, I will definately have to fine-tune it before introducing any plants into it. Besides, anything between the lights and the plants will only filter out some of the intensity. Being an electrician, I can easily wire together some pc fans to get the air moving, as well as for my lighting. My other terra has 4x 36 watt cfl's wired in parallel, homemade.