If you have the FSM (it's free to download, if not), it tells you all the steps. I suppose you could make a list.
When I did my 2001, and then later my 2004, I ordered a kit from RA. The 2001 needed the harmonic balancer replaced, so when I did the 2004 I just bought it outright.
For the air hoses, I took mine down to the local auto parts and bought hose that was about the size I needed. For heater and radiator hoses, they're still available most places.
While doing the 2004, I lost one of the 2 little pieces (grommet-front cover) that goes between the cover and the engine. I also noticed how the rubber grommets on the bolts were cracking. I ordered this kit from RA as well:
Measurement:
Before and after:
Finished the t-belt, still reassembling: