I also still have the first rack I ever bought back in the early 70's, a Blackburn. It is still doing its job on my daughter's commuting bike.

This Blackburn rack is probably 40-years old. The one-point brake bridge attachment point is surprisingly sturdy.
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I've got the same exact Blackburn rack and the front rack version on my errand beater bike. Been using them since the 70s for everything from touring to commuting to errands. Although the rear rack is slightly out of square from getting run down from behind (the Fuji died but the rack and I lived). I bent the rear rack back and am still using it with no problems.

I've also got a similar Blackburn rear rack from the early 80s that attaches to the seat stay rack braze-ons that became my touring rack and currently resides on my mountain bike.

I recently got a Surly LHT with 700C wheels and decided to go with the Jandd Expedition rear rack and Extreme front rack. They're both great racks and I'm happy with them so far. I like the fact that the rear rack is so long and keeps the panniers well back from my heel. although I'm happy with it, the front rack was a pain in the neck to install. In hindsight I should have gone with the Jandd tall front rack to get more clearance over the wheel, the regular rack I have is literally right on top of the fender with zero clearance and it can't go up any farther without the lower pannier rails interfering with the brakes.