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I'll try to get this thread back on track, then?
If by "pre-workout" you mean a stimulant then stick to caffeine, if you feel you need it. Stimulants tend to reduce my cardio rather than increase it, and lifting on them feels awful.
However, if you mean anything you take before your weight lifting workout then look at the following: BCAAs, leucine (specifically), and casein hydrolysate. Just googling those and "pre workout" should give you some ideas. You might also want to look into consuming your workout drink throughout your lifting as opposed to simply before (or, worse, after).