It's looking pretty awesome and it will look even more awesome if you get those feet you're looking for! You could also use Demo-Man feet (even if they aren't furry).
May I suggest locating a spare Beastman Whip or 2 from the 1st WP to attach to the backpack? (They look like a classicized Throttle and stratos can hold it with his open hands. Unless you have a spare 200x set of throttles to use.)
The feathers on his chest harness are red IIRC.
Normal Stratos has blue Shinguards, SkyStrike Stratos has the reddish guards.