Thanks for the comments guys! Kirby, I know what you mean about the hairspray technique. I don't get very consistent results with it but sometimes it works just well enough for me to use. The chipping came out a little too strongly but I am going to cover up some of it. The chips themselves are small enough that I found to be acceptable.
Upon fitting the canopy parts to the fuselage, I found that I needed to use a shim to fill a gap between the windscreen and the gun breech cover. A starboard side panel line that I erroneously scribed got filled in... better this way since I was having trouble getting a clean panel line there.
I took a stab at trying to get a spiral onto the spinner. I don't like to use decals, even if they fit. Aftermarket spinners such as the Reaver and H. Daehne's usually have some nice rivet detail that might get covered up by a decal. So I usually paint my spinner spirals using masks. My current technique is to use a photocopy of the spiral decal (if available) to cut a mask. It's hard to cut a compound curve smoothly so it usually takes me several attempts.
Once the mask is applied, I try to tamp it down as much as I can but inevitably some creases develop.
The creases in the mask let paint in and as a result, the spiral looks a bit rough. I use to start over when I saw results like this but I've learned that I can usually smooth out any kinks and undersprays one section at a time with flexible white Tamiya tape and using my airbrush at its finest setting (low pressure with very watery paint).
It's very exacting work and the spraying is performed under magnification (I use a pair of visor magnifiers). After the paint touch-ups, the spinner looks much better!
I've given the spinner a gloss coat to seal the spiral.