Hiya......I am that man
Now..the blue bike (#4 srx) you see has a very nice pair of Thomaselli clipons fitted (I picked them up on Ebay, in germany)
#1 srx (mine) has a pair of clipons that are a bit clunky, but have a vernier adjustment, which makes it easy to set them up to suit your riding position.
#2 srx, a 400 that I sold to Andy230's mate, had clipons which were just the standard ones, modified...... You do this by removing the lugs that screw into the top yoke....smooth them off and polish them......then slide them onto the forks between the top and bottom yoke......they 'just' clear the headlamp support bracket....and you are limited to position by the brake master cylinder on the right........I also use these on my srx track bike.....the position seems just about right ...for me anyway.
#3 srx, a 600 sold to a plumber mate of mine.....also has modified standard clipons...and he's happy with them....if you want i'll get a pic or 2...
you really need rearsets to go with clipons......
then you'll really find out how good your back is
Actually, I find, that at 60 mph + your weight on your arms is balanced by wind pressure on your chest.....but bu55er! 15 mins round town sorts out the men from the others