BEST DISCOUNT MEN'S CLOTHIER Marshall's on Thursdays around 2:00 p.m. Various locations in Miami-Dade County Here's a little secret. Those $90 jeans on sale at Express? With a little patience and some ingenuity you can get them for twelve bucks. Around 2:00 p.m. Thursdays, Marshall's puts out the week's delivery. Aside from the usual crap, price-busters can find the overstock jeans and shirts that other suckers pay a pretty penny to wear. Rookies beware: This isn't news to serious shopaholics. Finding the right size is a matter of speed. You have to dig, but if you don't mind being like the lady in the commercials obsessively repeating "open, open, open," you will enjoy serious bargains.