Hi Goldy,
I was going down the JMI Wheelie Bar path for my 10" LX200GPS a couple of months back. I even considered buying a second hand one from eBay USA at the time (although that one seemed to have crooked levelling screws).
Rather than importing one, I ended up making the same thing from a big triangle of 20mm MDF, reinforced from underneath. I put my own levelling bolts at each corner just out from where each tripod foot was located.
If it isn't raining when I get home from work, I'll take a few photos if you're interested in taking the plunge and doing it yourself. I managed to make mine out of spare timber. I also had a set of wheels just a tad larger than the ones that JMI uses as standard, so I put those on directly under where the tripod feet are located. All up it hardly cost me a cent. If you were to buy the timber / wheels etc I'm guessing that you might be up for perhaps $80. I made the levelling bolts from standard threaded rod, nuts to match and 6 square steel plates.
The whole setup works a treat, and once the levelling bolts are screwed down onto the ground, it's rock solid. Just have to get around to painting it now.
With the money that I saved by not importing the JMI version, I had a nice slush fund to put towards my autoguiding setup.
Dean
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