have you tried rsd lite?
download rsd lite 4.9 its easy if you need help with it let us know
and the linux cd is easy
just put your phone in bootloader, cutting it off hold camera button, vol down, and power button
then cut your pc off, boot to the usb device
i think its the second option that you see on the usb defice, cause default will not put you into the sbf state
and hit 1 to proceed and hit enter, and just wait for the phone to reboot itself
and when it does, pull the battery
put it back in
hold home+power
once the phone turns on, release power
once you see the exclamation point
hit the search button
vol rocker down to wipe data
and wipe it by hitting the camera button, be careful cause you can barely tap the camera button and it accesses that menu,
once you wipe data and cache, just reboot and your set