NOW PERFORM A NANDROID BACKUP

1) restart into bootloader (switch on holding the back button)2) Extract the latest GSM Hero recovery IMG into your android SDK/tools folder(For SDK & CMD help reffer to Post 3 "The Basics" 3) Download Superuser.zip and extract the contents to your SDK/tools folder.4) Plug in USB5) open a CMD prompt from the tools directory and type the following command> fastboot boot recovery-RA-hero-v1.5.2.img(you should now enter a recovery console on the handset)from the recovery menu, once completre, continue..6)then type the following commands in CMD exactly as they are here, hitting enter for a new line.adb shell mount /systemadb push su /system/bin/adb shell chmod 4755 /system/bin/suadb push Superuser.apk /system/app/adb shell rebootCongratulations you now have root access..Download "Root Boot" from the app store (this will only work if you have root!)Step 6 modified thanks to ENLIGHTENER, cheers, su whitelist working nicely now..Recovery image updated to recovery-RA-hero-v1.5.2.img , thanks to Amon_RAPlease be carefull! I accept no liability!FYI, To unroot you will have to either restore an earlier backup or flash a stock rom..... (reccomend the new official HTC Update via RUU to do a full reset)