Couple of Penny Packs on FA:
http://www.footaction.com/product/model:256110/sku:00180001/nike-penny-2-pack-mens/black/blue/?cm=GLOBAL%20SEARCH%3A%20KEYWORD%20SEARCH
370 is far from decent. Expand your horizons from ebay fam and hit these fb groups...a dude in encino coughed his up for 275 yesterday and another dude was selling for 275 if he didnt't find his sz swap. i would do 350 tops and that's under extreme circumstances. just gotta be patient