Have you had enough of $5 coffee? $99 burgers? $125 martinis? I know I am -- doesn't anybody in this city want to find the cheapest drinks, meals, and booze? Los Angeles Magazine comes through this month with a feature on great deals and bargain finds on everything from martinis to furniture to underpants. We went straight for the food section, of course -- and here are our top food bargain picks from the......