Alright, I have grown (or am growing) 4 different kinds of nirvana strains. New York Power Diesel, Jock Horror, Wonder Woman, and Snow White. I have to say their shipping is stealth as hell (please don't mention what things are shipped in guys, eyes are watching. The last thing they need is help). The link in my sig has the Jock/Woman Grow.
I Too would second the Jock Horror. Great strain. At first I was a little skeptical as it was slow in the early veg, but man do they flower like a champ. Great product in the end.
Wonder Woman and NYPD are also incredible, just that the Jock stands out.
I don't fuck with auto flowers, thats just asking for bad genetics getting into the mix. I actually applaud Nirvana for removing them, it takes a lot of skill to successfully grow autos and even then you could end up with crap.
Another thing that I like about nirvana is that they DONT have a stealth shipping option, its automatically stealth. They change up their shipping methods on a frequent and regular basis and they are always hidden somewhere. As for free seeds, I don't really give a fuck, they might as well not even come. Im not tying up grow space and soil and nutes for "free" genetics. Im sure the price is baked in there too, nothing is free.
Nirvana also refunded me or seedlings that didn't pop (just 1) and I have heard from many others that when they have had issues, the entire order was reshipped at no charge. Thats why I have stuck with them. Also b/c this is what happens with 5 plants in 90 days (Jock and Wonder Woman):