Once you move up the ladder and get some experience and real PROPER FORM with all Barbell Compound movements, move up to 5x5.
When you have milked everything out of the 2nd step, go on to Jim Wendler's 5/3/1. These are all geared towards STRENGTH training and gains.
If you want the best of both worlds (not Hanna Montannah) go for Layne Norton Phat after your learn the basics of Starting Strength, or West Side for Skinny Bastards.
So to sum it all up: Read up all the past mentioned routines and programs (which some come in books actually) and do your proper personal research to find what works for you .