I don't know why you wouldn't be seeing them Chris. I'm still seeing mine... anyone else have their ticks missing?
The tick actually mean you have subscribed to the thread. You didn't turn your automatic subscriptions off or anything did you?
This is the icon -
that tells you that you have posted in a thread.
Clancy
"I like work: it fascinates me. I can sit and look at it for hours". Jerome K. Jerome