I would do thrash, in the vein of modern Testament, The Haunted, and Stormrider era Iced Earth, with some melodic death influences from the likes of Darkane, Dark Tranquility, etc, and a hint of black metal lead and riffing. Big drum sound like that on "Painkiller", and some ballsy power metal influences in the songwriting as well (mainly riff structures and stuff, from the likes of Grave Digger etc). When I write stuff now it is kind of that style anyway. Ideally, I would like some melodic doom influences as well, like some of the melodic stuff on Katatonia's "Dance Of December Souls" album. Nice.
I would also dig being in a cheesey yet heavy band doing stuff like Manowar and Dream Evil etc. That would be hella fun.