The Wall Street Journal reports on the surge in affordable men's suiting these days. And while the new sweet spot hits in the $500 to $700 range, these new hard working suits are cut from high-quality material in fashionable, modern cuts—unlike the cheap suits of yesteryear. Reporter Sarah Nassauer examines the highs and lows from suits by J.Crew, Hart Schaffner Marx and a relatively new brand SuitSupply.