yea after a hard reset you will have to install/redo the registry hack and reinstall the mms program.
Magic Button (i use the main memory, it has alittle foot print)
MemMaid (can be installed on the mini)
BT Toggle ( i say main, but probably can be installed on the mini)
E-Ten m600 Blue Dialer skin (doesnt work)
Microsoft .NET CF 2.0 (can be installed on the mini)
Sirius SiriuCE (can be installed on the mini)
Arcsoft MMS (i did the main, not sure)
Agile Messenger(can be installed on the mini, but I have noticed sometimes it will say agile cant load blah blah after turning on the screen, this is because its on the start menu. but hitting ok clears everything up)
as far as that today screen. claucher is a freeware that makes a laucher like the bottom where the meters are. not sure about the weather tho, I dont use them.