I have all the one's you mentioned minus the MGM fight chips. I also have the 2 issued at the FQ's Hugo's Cellar and Texas (only 233 of Texas exist)

At this time, enough is enough, unless a very special chip comes along.

To answer your question. Yes people collect them. 300 of the Hugo's disappeared, 233 of the Texas, over 700 of Babe Ruth, over 300 of Hacienda, and all of George Burns are gone. The cage mgr at Caesars said she sees a Burns $100 chip once in ahile.