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Personally, all I've ever used were various B&K models and models 467, 470, 480, and 490 are all good units. My biggest complaints with them are the cheap cases and cheap plastic hinges/latches that most of them use. My first CRT tester was an older blue B&K 465 and it was a good tester for testing B&W and delta gun color CRT's; but, the rejuvenation method was rather crude and would often do more harm than good. The later B&K's use a better rejuvenate function that usually does not torch the CRT.
I've also heard good things about the Sencore CR70 and I hope to someday add one to the test equipment collection.
The later CRT testers often cost hundreds of dollars, if not over a grand; but, with CRT's not being popular anymore, one can often get one of these testers for very little money.
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