No it hasnt got self levelling, it copes fine, too well! It is really hard and pretty uncomfortable sometimes! So cos I carry hardly anything thought the 'low load' kit might be an idea.. I might do when the time comes for more new suspension..
Seems like a stupid idea to me. Having a couple of fat people in must way as much as a motorbike and also the first time you put a trailer on it you will be virtually sat on the tarmac.