My favorite finds are pictured below from Make Me Chic's website.
There are some crazy styles out there, but this gladiator heel looked like something I might actually wear - especially for only $21.oo! It came in several different colors, too.
I like the metalic gladiators. They add some sparkle to any sundress. These are only $14.00!
While these aren't quite gladiators, they are just as popular. Bejeweled t-strap thongs are a touch more feminine. You can get this pair for only $9.00!
Old Navy and Payless have some great practical gladiator and t-strap looks for less, too!