Okay went to that site, searched for the x10 drivers, found/downloaded them. They are up to date according to device manager.
Rooted phone using z4root - Yes
Downloaded up to date drivers for phone - Yes
Downloaded Android SDK/installer_r08-windows - Yes
Downloaded X10ModTool_v0.4.2 - Yes
1. Rooted phone
2. Updated phone's drivers
3. Installed Android SDK
4. Installed X10ModTool
I think I have everything I need to begin replacing files, don't I? Here's a pic of my device manager while my phone is plugged in and set to debug mode. Clicking Refresh is useless, I've tried. Any ideas?