I agree with others, I take a (preferably isolated) snare/percussion hit.
I've found that there is a spot between perfectly lined up, and a delay of up to 20 samples (so roughly 1 millisecond) that lends itself to a nice mix. The vast majority of my stuff I line it up, but some times I find that I get a more pleasant result when I delay the audience pull by about 10 samples or so. Depends on the content of the individual tracks. If they are balanced already, then I line them up, if one is bass heavy and not much top end and the other is really bright, I'll try the delay and if it doesn't work in a couple of spots (say, 15ms, 10ms, and 5ms) then I line it up.