These should be all that's needed to get ADB and fastboot going for manual rooting:
windows adb and fastboot binaries
linux adb and fastboot binaries from ADB - CyanogenMod Wiki
The manual root method seems to be far more reliable than the easy root, and should just need these files in the same folder as your exploits.zip was extracted to. From there just follow jcase and jamzelle's instructions [ROOT] Unlock Bootloader + Permroot 3/19/2011 - xda-developers
windows adb and fastboot binaries
linux adb and fastboot binaries from ADB - CyanogenMod Wiki
The manual root method seems to be far more reliable than the easy root, and should just need these files in the same folder as your exploits.zip was extracted to. From there just follow jcase and jamzelle's instructions [ROOT] Unlock Bootloader + Permroot 3/19/2011 - xda-developers