Thanks for mentioning the Wayback Machine.
I was able to find a thread I started here in 2010.
The thread spans 2010-2012 suggesting that threads from 2011 may in fact be available. You need the last date in the thread. A manual search is then required after using the calendar feature provided on the site.
I did discover that the 2018 updates to my thread were not archived so unfortunately the thread is not 100% complete.