Hot_ham_waterVery few. Most lefties I know still use mouse right handed because trying to mouse left handed and use gaming binds is a losing battle. Hell, KennyS is left handed and he's one of the greatest AWPers of all time.
DurandulYep lefty here been using my computer with a standard setup since I evolved from a Mac with a single button mouse when the optical drive had a caddie that turned the cd into a 5.25 floppy essentially. If feels weird as shit to use a mouse left handed with exception of my wacom.