We only seriously considered one option when looking for a motorcycle camper, the Elite.
Had a brief look at the Flying Fish camper tent
http://www.flyingfishcampers.com.au/motor-bike-campers/ (because a mate [Bob] has one), but they didn't supply a trailer so for me that wasn't a viable option. Bob is handy with tools and welding aluminium, so that part was easy for him.
The Elite ticks all of my (and Mrs Williamsons') boxes - light weight, disc brakes, easy to set-up (quicker solo, perhaps that's because of less arguments, err discussion), queen size bed, annex, esky on draw bar.
We bought a second hand unit. Ours is an earlier model which is an aluminium checker plate box on an aluminium chassis with some steel reinforcing bars on the draw bar.
The later units with the gal steel chassis are heavier. I been told that the weight is kept down by using lighter canvas.
On a recent two week Tassie Tour I found setting-up the camper and bed quicker (usually about one stubby) than my mate setting-up his dome tent, stretcher, exped mat and sleeping bag. This is because the bed (queen size bed, fitted lambs wool under-lay, fitted sheet and doona) is basically set-up in the camper.
There are (were) plenty of second hand units in the Ulysses classifieds, you probably have not got much to loose by checking.
