Yeah, this whole stealing debate is as stale as sun-dried milk. Inspired, fine, stealing? It's music! OK, bands are accused of stealing riffs and what not, but we're talking about a style. I think it's more like picking something up and innovating it for yourself.
Hey ZebCahan, you might want to add Testament, Sepultura (early 90's era), Vio-lence, Anthrax, Heathen, Forbidden, Dark Angel and Metallica's early albums to your list. They might not all tickle your fancy but if you YouTube these bands you can find many RELATED videos to find what you're looking for as there are too many awesome thrash bands out there which are very obscure