RE: good ice?
Blitz, all the reports at the bait shops say everything in Renn County is pretty much good to go.
Burden (all three) have good ice, and I doubt this slush did all that much since it wasn't really warm or anything.
I've heard 6" at least everywhere. Snyders is always last, and it is good to go for quite a ways. Open water in the middle still, but 5"+ everywhere worth fishing right now.
Good luck dude!