Just finished one. Not too complicated. Just labor intensive.
Helps to have a donor. Quite a few parts you need but don't think about until you get started. Like the clutch pedal. The auto has a short shaft just for the brake pedal. Drop the fuse/relay block, move the plastic wire shield out of the way, remove the clip on the right side of the shaft, and pull the shaft out the left side. Then position the clutch pedal, (some people say it is easier to install the cable on this end before installing th pedal) insert the longer shaft through the clutch and brake pedal, and re-install the clip, shield, and fuse/relay block.
You keep the original ECM and disconnect the TCM. Keep me posted on your progress. There are lots of stuff I can't remember right off hand. But I got mine running tike a top. Went from 24 mpg with the sick auto to 36 mpg with the manual.