given the experience of my Ultimate 5 on my mountain bike with a Fox R80RLT... i tend to lock out the fork because the bobbing effect is probably compounded from the long lever arm if i consider the distance and weight on the handlebar bag from the rear hubs. this wasn't exactly what i liked - i'd rather some comfort with the fork unlocked.

all in all, given a choice i'd most likely choose the OMM lower-legs mounted solutions, instead of having the load laden "sprung" - i guess i'd need to further increase the air pressure in the fork to cut the excessive sag... more hassle!

i'm using a tubus rear rack, however i personally feel the Swing would kill my fork faster by causing more fork dive upon especially unseen potholes. i'm trying to marry from my current short-haul touring experience (read: limited!) and mountain biking. of course, if i'm a dimwit to go into a pothole with a sprung OR unsprung front end, i'll be asking for trouble... heck, i'd be in BIG trouble going into a pothole even without a front load! LOL