anything from serious is top quality,if you have time to flower go for the kali mist,if not chronic is superb very heavy yealder short and stocky many awards,ak47 the same good yield but good luck what ever you choose,but also check out paradise seeds every strain a winner.if you want more indepth advice contact me with your type of system etc.i will do what i can as i have grown all the strains you have mentioned.