I served in the RAF as an airframe mechanic during the late 50's, and we actually had one of these aircraft in a hanger at RAF Colerne. We also had a pilotable version of the V-1. These were rolled out for display at our annual Battle of Britain displays in Setember.
When the station closed in the mid seventies, these aircraft and many others, formed the basis of a musuem to which my wife and myself were invited for a private viewing. The museum closed after a relatively short time, and I don't know where those aircraft are now, or if they even survived.
One of the test pilots of the Me-163, was Hanna Reitch. She was badly injured when she crashed in one, but recovered to fly again. She was also involved in the testing of the proposed "suicide bomber" a pilotable version of the V-1 rocket called the Reichenberg. A very interesting lady, who despite her extremely dangerous occupation, lived to a good age. Lots of information about her and her flying career on Google.