Lex Veldhuis is really good. I don't mind Tonkaaaa but find him a bit annoying to be honest. AllinPav is good too, but I prefer his youtube clips over twitch as he can go a bit quiet for long periods of time.
I enjoy watching pro’s (or just really good players) playing, although some are more valuable to watch than others. I prefer players who go through their thought process when making decisions.
I like watching Doug Polk and Kevin Martin with Jaime. They're entertaining as hell. I'm learning a lot by watching them but in my stakes things are different