My phone no longer has a button for the app "Contacts"... Anyone else?? It is still available through the phone app obviously...
Yeah, I had it POOFED before I installed 3.0, wonder if it the icon didn't recover when I unjailbroke....
From past experience, any thing you POOF'd will stay hidden. So if you POOF'd Stocks.app, even when you restore from backup on 3.0 your Stocks.app will still be hidden. I've read situations similar to yours with other apps people had POOF'd on a jailbroken 2.2.1 when upgrading to 3.0 and the icons not showing.