The plant doesn't care what NPK you give them, just as long as they get it, when they want it. You can spend a mint on a nute line, so choose wisely! Also depends on your budget as well. I would pick something reputable and have a starting point with how much you want to spend and go shopping. I could tell you to go buy brand X, but it is more a personal thing. If ease is your style, a 2 part A&B will do. If you like to really get down and tailor your feeds, a 3 part might work out better.
I use AN, just bought the Mills for another tent, to see if it works just as good. Like Waximus said, Kind of a complex question. Best bang for the buck in my area right now, Mills A&B quarts and 1 each of the additives for the money spent, but I love my AN nutes and feed schedule too. If you want more organic side of things, the Growmore line is inexpensive and has great results for growers here too!!