I do it, but always have a handler (my wife) in tow. I started by just walking my neighborhood, walking the dog, BBQ, etc. Then ventured out to stores, but talked to the management first.
The Sandtrooper had a "high-brow" while most regular troopers had a "low-brow". You can kind of set this to your taste preference. Here is mine and some on-screen buckets. I prefer the "low-brow" look for mine. http://forum.501stspecopsdet.net/public/style_emoticons/default/smile.png
I think the helmet looks good, not too high, and fits your height. It's all proportionate. If you are like me...we tend to be our own worst critics. Do you play guitar too?!
I think you look great man. I'm 6"2 and know what you are talking about, but you still look good. We're all made differently so unless we become clones, it's just a fact of life. To me...top notch work on your setup Grant! Rock on...!