47. The method according to claim 43 wherein said displaying a comparison comprises generating at least one graph of at least one quality criterion vs. iteration serial number.
47. The method according to claim 43 wherein said displaying a comparison comprises generating at least one graph of at least one quality criterion vs. iteration serial number. 48. The method according to claim 47 wherein said input comprises a computerized input including a computerized indication of flatness of said graph of at least one quality criterion vs. iteration serial number.