Originally Posted by kalfitegrdan
For Cancer, start with Death Shall Rise. For Gorguts, I'd go with The Erosion of Sanity personally, but all their albums are great.
I'm in the same boat as you with Sacrifice and Diocletian.
Sacrifice - Forward to Termination. Canada makes some really good thrash
http://nucleus.bandcamp.com/album/hegemony - 2015 available for download (name your price)