8/2 ORD - Forced to gate check bag (rollaboard Delsey Helium fusion)
8/8 MIA - Forced to check bag at security checkpoint
Note: In both instances, my bag would not fit in the sizer. I've been traveling with it for a year and fits fine in MD80 and 737/757 bins wheels first. I do NOT mind checking my bags so no issues there.
I DO mind that the rules are not evenly enforced, and in both cases people with same size or bigger bags were permitted through in front of or behind me.
All in all, I'm glad they are cracking down on the carry-on practice, but wish they would evenly enforce the rules all the time, to all the pax.