As a last note to caution you with: a majority of Zerg opponents will send in Zerglings
and other fast units to harass your base while you're out on an offensive. You must be prepared with a small army of Tanks, Missile Turrets, Marines, and a Thor when they come knocking down the first wall of your base. This mix of ground troops will ensure you stay in the game long enough to break down their attack.
Terran vs. Zerg Unit Match-Ups
Finally, here are some essential Terran vs. Zerg unit match-ups that will equalize the competition or place you at an advantage during in-game battle: