Consumer Reports looks at the baseline requirements for most people, and the majority of videotape users aren't videophiles, they're folks who maybe reecord a show off the air for later viewing, record somebody's wedding, that sort of thing. Things like signal to noise ratio and video dropouts really don't mean much.
The degree of difference increases the higher you go into video equipment. A small 21" old color TV won't show much difference between tapes. A 32" fairly new Sony Trinitron will. Similarly, if you're piping your audio through the TV speaker, you won't notice much difference. If you're sending it through a surround system, you will. For the majority of the population, and the majority of available equipment, yes, there's not much point in distinguishing between them.
If you want the real skinny on videotapes, go to such consumer oriented publications as Video Review or Video Magazine, which do very comprehensive tests on videotapes. You'll find out more than you could possibly want to know. Generally, TDK comes out at or near the top every year. Same for Maxell in general. Which is why I use TDK almost exclusively, and have never had a problem.
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