Just don't trust the content. The articles I've read were dead wrong.
Are you talking about the old DeepNet sims? The newsletter is mostly trip reports and casinos conditions these days, with a few poker articles and some nice BJ tournament info.
I read it mostly for Barfarkel's reports, and now they're giving away his book too. Heck, it's worth buying just for the book and Green Chip membership in my opinion.
-Sonny-