20 second lock screen works great
5 icon dock works great for me
winterboard works great for me
sbsettings works great for me (even more button, and i've edited the dock and themed it and stuff to)
categories works great for me (app and folders)
wbapp woks great
mysms seems to be working
mxtube is working great
mobilefinder is not working for me it just crashes
swirlymms won't install
pwnplayer loads up and DOES get past the splash screen, but crashes just a moment later
and i had some interesting experiences with backgrounder.. it isn't working, but it does install and the app does open, so i figured maybe it was only not working because of the changes to the way the home button acts (for force quit and such) and so i thought i should try to choose pandora to always background. after clicking "application-specific" in backgrounder.app, at first it seemed to have crashed, with a blacked out bubble towards the upperleft part of the screen, but then it went away and my apps populated the list. because of the timing and the look of the bubble, i believe that its actually the "enumerating apps" pop up, but its so off center you can hardly see it. so then, my apps are there, but its not the apps i have installed currently. its the ALLLLLLL the apps i had installed on 2.x and it remembered my preferences as well. there was pandora, already turned on for backgroundig (and i know it wasn't backgrounding properly at this point). so i turned it off and back on and then turned mxtube on (just as a second test) and waited for the respring but alas no actual backgorunding happening on either app. so anyways, that was my experience, hopefully someone finds it helpful, but its interesting nonetheless. i hope to see some updates for some of these broken apps soon... i'm sure dev's everywehre have their heads spinning like crazy over some of these issues.
also obviously poof works but hidden apps can't be found by spotlight. thats probably not something that needs to be fixed in poof, but nonetheless its is hindering the functionality of poof/bossprefs/sbsettings/categories, or at least keeping them from living up to their full potential in 3.0...

hope to see a fix soon