If you like Candlebox, check out Gracious Few. It is the lead singer from Candlebox with the band Live after they kicked Ed Kowalczyk out.
I think the first APC album was the best too, but I liked 13th Step a lot too. That one appears to be MJK explaining his process for getting clean. If you look at the album, it is a progression of stages of addiction with the thirteenth step in a twelve step program being "Choose to Live". My brother is an addict and he pointed it out to me