First off if you suspect the glass is tempered DO NOT DRILL IT. If you do and it is tempered your out of a tank. Better safe than sorry!!! As far as lights go it all depends on what you want to do. If your goin with softies the t5 will do but with a taller tank you will want more lighting to keep LPS
happy and healthy. Personally I would suggest led
they are powerful and last a long time. Metal halide is the next option which would probably cost more than the LEDs. There are led
fixtures online that are reasonably cheap.