I think the amazing link is the search function. This bullhorn vs. drop discussion has occured what seems like thousands of times on this board. So search for the old discussions.

I will, however, contribute since I have gotten bullhorns in betweeen the last discussion and now. I didn't notice any difference in handling. I do find them really comfortable. Be warned though, if you are already stretched out on your bike, bullhorns will stretch you out even more.

C