The magazine covered the topic. I think it may be worth reading about it in the magazine Joel posted above.

Luckily the club maintains older issues on the web site. It can be found here for your perusal:
https://www.ccgtcc.com/documents/1220/news/Volume-14-Number-2/index.aspx

And in the next issue there was an ad from the SlabFree group and a mention that at there was an

educational seminar "Chip slabbing: What is it? How does it work? Why should I care?" Needless to say attendance was high and a very active discussion took place. Again the bourse floor was full with everyone trying to find those last deals. During the day the "Slab-Free chapter" held their first meeting.