What Routine Next?

Almost any routine will work so long as the volume/frequency/intensity is sensible, you just have to pick one that suits your goals, time, and personal beliefs. Since this is in a bodybuilding forum, I take it your ultimate goal is muscle hypertrophy. If that is your goal, here is a thread full of good routines:

Just remember, whatever program you decide to go with, stick with it and be sure to track your results so that you can decide for yourself what works best and develop your own routines in the future.