Antero Resources, one of the biggest drillers in the Marcellus, is going shopping for cash. In September Antero’s midstream (i.e. pipeline) subsidiary went shopping for cash and got $650 million (see Antero Midstream Floats $650M in New IOUs). Antero the mother ship is now shopping, looking to raise $600 million by floating new IOUs, otherwise called “notes.” The company plans to use most of it to pay off older debt…