Steve: I definitely recall seeing 'flowing red' colours whenever this colour appeared using tapes on any of my 4 machines [later models were 4-headed]. Anyone who rerecorded tapes onto another generation down got this problem even worse. I only got this with videocassettes, it doesn't happen in DVD or in hi-def camcorder recording, so it ain't my eyesight, its from seeing different technologies.
At the time I just accepted it, home visuals was still in its' infancy and it was enough just to have recordable 'moving pictures', but the technology was prehistoric compared with today. Fine at the time though and I got a lot of pleasure out of it. But quality-wise it was closer to watching something on youtube [non-hi-def youtube] these days. The deficiencies on VHS was patently and painfully evident, as it used fewer lines than broadcast images, unlike DVD where usually the picture is as good [and sometimes better] than TV transmissions.
If you look at examples of VHS now [I still kept a few tapes] the picture is murky, often grainy, and lacks definition, and it's often soft and blurry. There's a quantum leap in quality with DVD and blu-ray. Super VHS was doubtless better, but this was for the enthusiasts who could afford it, like people with home projection systems, which were prohibitively expensive for most people in the 70s and 80s and even the early 90s.
Here's an exceptionally bad example of VHS [sure this clip probably derives from a badly-preserved source] but the dreaded 'flowing reds' are plain for all to see here:
http://www.youtube.com/watch?v=3HDNB...eature=related
Those reds are flowing like blood here!