What an awesome creature! Ok I was thinking about the whole predatory nature of the thing so I went digging.
"" Tarantulas are the biggest of spiders. They have eight legs, are often hairy, and have two big fangs. Some are dull brown, while others can be brightly colored. The sizes range too as small as a fingernail, to as big as a dinner plate.
Tarantulas can live in rain-forests and desserts.. Their prey is insects, and even rodents and small birds. They hunt by stalking, slowly creeping up. Then they quickly leap onto their prey and stick their hollow, furry fangs into the prey. Venom is pumped in and liquefies the prey’s insides. Then the spider eats it like bug soup. Mm!
Surprisingly, tarantulas spend a lot of their time hiding when they’re not hunting. Lots of animals will try to eat them although some do not succeed, for the tarantula has a few good defenses. The hairs on the back less and abdomen can break off with the slightest touch; borrowing into an enemy and making them itch terribly. They are also pretty fast runners, with eight legs! And if all else fails, they can bite, but their venom is used mainly for eating prey.
For some reason tarantula’s reputation isn’t that good. Maybe because they are big. Maybe because they are hairy. Maybe because they are poisonous. Well, yes, they are big, and hairy. They do have poison, but it can’t kill a person unless you’re allergic to it. For most people, tarantula bites are no worse than a bee sting.
People are sometimes worried they are in the bananas in grocery stores. That is extremely rare, so don’t worry! ""
It is true that they are probably more afraid of you then you are of them, but that is only because you're not a small insect 
Otherwise you have to respect the fact that that little war machine would be terrifying!
I was trying to find something that would show the Tarantula in a fierce and scary light (to give the big spider back its street cred) but I only succeeded in finding a creature you'll probably find more disturbing! Yay!! Have fun with this one Melrien!