Tiros released a new version of NandPro, the original cmd-line tool that allows you to read/flash the Xbox360 NAND via LTP or USB and now also comes with support for Xilinx CPLD flash (for RGH chips), and PostMonitor (for developers – monitoring Post Boot codes only).
What's new/fixed:
Official Site: By Tiros at xboxhacker.org
Download: here