Some various excerpts from Lyle McDonald's books that helped us....
Discussion about Tyrosine.
In reference to taking the convenience of including creatine with your own preworkout nutrition mix. Lyle also mentions taking creatine post-workout in certain parts of the book. It doesn't matter when you take creatine, goal is muscle saturation)
Pre-workout stimulant recommendation. Forget the crazy stimulants, good ol' caffeine.
Brief discussion on Creatine.
Beta-alanine dosing. In actually reading and examining the studies, divided doses were used to lessen the histamine response. If this doesn't bother you and you can tolerate a higher dose, divided doses aren't necessary.