hi i was thinking of changing my lights for a less heat producing light wich one are the best. i currently have a 4 65w power compacts fixture wiht 4 moon lights 2 10k bulbs and 2 true actinic bulbs and i heard that t5 bulbs tend to heat less than power compacts and normal florecesent but are they better than the current lights that i am using cause i dont wanna go and buy an expensive metal halide fixture i just want something better than power compacts some help would be nice