So come on guys what do the pro's really think about the new way of securing the barrel of the 455 to the receiver? It is held in place by two screws as opposed to a threaded barrel/receiver. Is it such a negative method as some say, the honest truth please gentlemen.
Many thanks in advance.

While we're on the subject, I would like to know if anyone has personal experience with removing a CZ 452 factory barrel (I've heard it is a bear).

For what it's worth, I was recommended by a respected rimfire gunsmith to go with the 452 instead of 455...