Along with Grunge, Rock and Indie, Metal was a staple genre for me growing up.
The amount of different bands I must have seen would probably be approaching (if not in) triple figures.
I tend not to listen to much music now that could really be defined as 'metal';
Metallica is probably as 'metal' as I get.
I'm more into Industrial music and it's electronic cousins; EBM, Synthpop, Electro, Darkwave, with some Drum N Bass for added flavour.