How are they for durability? The only all plastic binders I've used in the past were cheap ones I had for notebooks and the hinge for the covers gave out pretty quickly. I'd imagine the Unikeeps are much better, but I always see the durability of plastics as somewhat suspect
The really good quality 3 ring assemblies are excellent for both durability and retain alignment. The cheap ones are just that, good for a few uses only. The ones with slipcases sold by the stamp companies are routinely used to store even the most valuable collections. Many good albums are also post bound, so I think that may be a preference thing. I use 3 ring because it's easier to add stuff in the middle without restacking the whole thing. The postbound albums are better if all you need is to add the yearly update pages at the back.
I'm pretty open to new stuff for archival storage, there's plenty of options out there and I can't possibly try them all. (That's a good thing I think) Getting a first hand review from someone who actually uses a product can be very helpful.
Steve B
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