It was a very cool show the first season though I'll admit to thinking the second season sucked. It had a lot of cool visuals and an interesting premise. It had eye candy for those who like men and for those who like women. it had violence, friendship, enemies, secret agendas, immortals (sort of), and reincarnation.
They had to halt filming during the second season while Yancy was in rehab. I don't think any show can survive that, sadly, but the second season was so bad that I didn't hate its cancellation as much as I thought I would.