Be careful with the boots. I bought a pair on Etsy and the seller sent me some that were nothing like the pictures. I got lucky and found some used MOW boots that were my size. I wish there was someone making these on a consistent basis.
A couple of recommendations for your list above. For...
Got the rocket finished. My nozzle in my airbrush broke so I had to this with rattle can only. It was definitely a challenge but it came out pretty good. Weathered up the flightsuit a little as well.
The jetpack is coming along. The stencils from shortfuse worked really well. The metal keys from machine craft worked out great as well. Hopefully I'll get the red painted on tonight.