help with getting back to stock on Droid X

[bdb312]

so i downloaded .588 and installed it without being rooted, which worked fine. now i want to get back to stock so i can get the OTA when it comes out. i used gignerbreak to root the phone and got DX2 bootstrap, but that wont load into the bootloader. so how do i go back to plain stocki know this may be in here already so if someone can direct me to it or let me know what to do that would be awsome. so upset with myself for this....... HELP