Caselec-

To be honest, this is my first experience with LV lighting (except for outdoor). The track lighting & fixture mfg. recommended the ELV dimmers, though I forget why. My track is carrying 120V; each fixture has an electronic transformer to step down to 12V- the advantage is being able to mix-n-match fixtures. I didn't even think about researching dimmer info. Now if I do it, I may cry.
Anyone know the 'advantage' to using ELV dimmers? No buzzing? Energy efficiency? Bulb life?