My ideal strength and endurance stack is basically the MST line with some ephedrine pre-cardio.
Ragnarok - Preworkout (2 scoops of caffeine free)
Carnage - Pre/post (3pre/3post)
Citruvol - Pre (3 pre)
Kreaceps - Post/AM (high dosed here

)
C5 - Pre (4 caps pre)
Ephedrine HCL 25mgs pre cardio for bronchodilating effects.
With this, I can see great strength gains, and great endurance gains.