You can always go to the bottom of this page and under the "extra information" box click "favorite thread" and it will be saved in your "my home" page.
Or we can add searchable terms right now:
part number exchange
old parts
crossover part
And just as obvious as above is to add it to your browser's favorites.
If as others claim DC doesn't make Gen 1 parts anymore, then they have no incentive to either add or prevent this from becoming a sticky or somehow more frequently visited?