Upjohn if you can get it. Xanor is pretty much the same quality IMHO, but some say it's slightly weaker. Alzam is pretty good, maybe 80% (in my opinion) as an upjohn pill. Zopax is pretty good, maybe a little better than Alzam. I've never tried Azor or Gador. Speaking of which, has anyone tried Gador? I am thinking of buying 2mg Xanax pills manufactuared by Gador and I want to know the quality of them.