iH8sn0w has updated two of his applications with a handfull of bug fixes and improvements. If you’re looking to roll your own firmware, sn0wbreeze now works with the Verizon iPhone, and includes the iBooks patch, drag-and-drop IPSW support, and a fix for the GUI issues Windows Classic users were having.
iREB for iOS 4.2.1 has been updated to RC3, and now includes support for the VZW iPhone (and improved handling of the iPhone 3G).
sn0wbreeze 2.2.1 now at http://ih8sn0w.com (Fixes Verizon iPhones, iBooks 100%, Drag & Drop IPSW implemented, and Windows Classic issues).
One more release for the night. iREB for 4.2.1 (RC3) now at http://ih8sn0w.com // Verizon iPhone 4 support + Improved iPhone 3G Support.