You already know how excited I am that Pret a Manger, the popular British grab-and-go sandwich chain, is making inroads into LA.  While I have not been yet, readers are letting me know that the Westwood location is already open.  And in the Westfield Century City Shopping Center, plywood has recently gone up on a ground floor space near Coffee Bean, letting us know that the lucky people of Century City will soon have their very own branch of Pret.