Power Metal is my favorite metal genre also. My favorite Power Metal band is Firewind. I also like Melodic Death Metal. My favorite band from that genre is Arsis.
Heavy Metal Power Metal (American Power and European, as well as Symphonic and Non-Symphonic and any others inbetween) Thrash Metal (Death Thrash and Blackened Thrash) Death Metal (Old School, Progressive, Technical and Melodic) Black Metal (All waves, Progressive, Symphonic, Melodic, Depressive, Suicidal, Ambient) Progressive Metal Doom (Death Doom, Gothic, Progressive, Funeral) Specific enough for you? I like pretty much any sub-genre of metal. The only thing I don't like is scenecore.
Doom Metal Classic Metal NWOBHM Thrash Metal Power Metal Symphonic Metal Prog Metal Melodic Metal Melodic Death Metal Hair Metal
Metal Rock Classic Rock Old School Rap
I like heavy metal ....classic rock style metal