I beg to differ. I have cured a number of stock pickups with quality upgrades that without question improved the instrument. I've been playing long enough to recognize tonal improvements - or I should say, adjustments that better suit what I want to hear. With so many pickup choices available that run the gamut from hi-fi to gritty it's easy.
Again, these pickups are just okay. They'd be better suited if they were a bit wider. The original Schaller bridge put the E & G strings right at the edge. I installed a Schaller roller bridge and there wasn't much improvement. So it's easy enough to get a well made blade pickup that does what it should.
For the record, these are well used instruments that do not have a "vintage" value. I paid $350 for this one and $450 for the other and they're nearly 30 years old. How long should I wait for the "vintage" tag to kick in? Though they are well made they are not a highly desirable collectable - just like the early Peaveys. I bought an '86 Rudy Sarzo that is easily one of the best made basses I've seen for $400 and will still hold up against basses at 3 times the cost. Playability and sound are excellent and it's one of my favorites. It'll never by a "vintage" collectable either, just a "Hey, look at that! Cool! Who's Rudy Sarzo anyway?" kinda bass
These are well made basses bangers well worth their price, but not investments. And BTW, changing pickups is not a "marring" modification either, it's just new solder joints. I'm not digging any holes, and even if I did these aren't at that level where it matters.
As for money, I so like these basses that I'm willing to invest in new guts worth nearly what I paid for them to make them twice as good. That certainly says something about them I think...