From that list I usually apply:
1. Base coat (not always though, the Bandai models are molded in colors very close in hue to the original ones). If thats the case I apply a very fine sanding to get rid of the shine and provide grip or apply directly a matte clear coat.
2. Washes I do sometimes before or at times after the matte coat. Sometimes I apply a gloss coat to do the washes. Sometimes also I do some selective washing and also panel lines. That depends on what the model tells me it needs (yes they talk to me,

)
3. I used a lot more airbrushing in the past, still do, but Im preferring powders lately. With them I can do almost everything the airbrush can, but it takes, at least to me, more time. I find a better control with powders too.
4. I add some damage with the Dremel, the hobby knife but usually do these before starting any base coat, before any weathering. Any damage I plan beforehand.
5. I apply drybrushing here and there depending on the model. Also I do some spattering, not always to add some textures. Preferred method is using a toothbrush and apply it randomly with the hue of your choice, running the thumb over it. The closer you do the bigger the circumference of the dots or splatters. The more distance you make fro the model the finer these become.
6. Recently Im very fond on using graphite powders. They give a metallic finish that paint cannot reproduce. It must be used in small amounts though. I also use an art pencil, soft one to simulate old scratches and the look of polished steel. I emulate the polish surface frequent friction can create which has this grayish bright finish. For fresher scratches I use Vallejo Chrome. I also used art pencils for the multiple panels in my Star Destroyer Zvezda model. A similar method was used for the original.
Ive never done any preshading, marbling paint chipping. I guess I use a mix of ILM preferred methods and classical methods used in general modeling. Ive never tried to match my models to exaclty emulate the ILM look because, IMO it was a finish only good enough for the big screen. On close inspection they look sloppy but served their purpose as it was expected.