I've grown Nirvana's Aurora Indica. You can see my grow in my signature. Since then I've harvested another crop and again it's not as strong. But for a beginner it was an easy, hardy plant to grow.
I was looking for a heavy Indica body stone and I found that in
Cali Connections Pre98 Bubba Kush BX2 <-- there's where I got the seeds. It's amazing stuff, very potent. I'm running this again and going to let the Aurora finish out (flower out the mothers).
I also purchased a bunch of different World of Seeds Landrace kushes for the same search. This year I plan to try those out. Anyway good luck but knowing what I know now I wouldn't buy any Nirvana strains but they are very good for beginners to learn on and I learned a huge amount.
Here's my December AI harvest (these are 1/2 gallon Mason jars), and this is from 6 clones switched to flower between 6"-12" grown SOG.