I'm thinking of what PC tower I should get

[Pecon]

yeah just touch the case or something thats large and metal and you wont need a wristband

As a general concept you should not try to ground yourself on the same thing you're about to work on. Touch some metal plumbing like a metal faucet, those are like 99% sure to be cold grounded at the least.

[Ad Bot]

[Sitrus]

you should be ok if you ground yourself and leave your cell phone in the mailbox

[Sheepocalypse]

you don't even need one unless you're a complete idiot.

I'm a complete idiot so I need one