I guess the difference is my last ski came with the UMI set-up when I bought it as opposed to me having to shell out the $$$ to buy something that other people don't consider a must have mod.
Bud, this is the internet, people can say whatever they want, completely right, completely wrong, or anywhere in between. Take most of what you read here with a grain of salt, especially not knowing exactly where the complaints come from or why.
I have no connection to UMI, but I have their steering on a B1 here at the shop and plan on buying either UMI or Accusteer for my own personal B1.
Good parts cost good money to produce and generally why they cost good money to buy. This market is very niche, without big quantity runs and multiple dealers. You aren't buying cookie-cutter-crap, good alloys, several machining processes, outside suppliers like anno, bearings, seals and so on.
If you ALREADY have had a UMI setup for sometime and like it, why on earth would you think the quality would be any different on another unit? Because some guy on the internet said it wasn't any good?
Generally speaking, you only have to buy the good stuff once and if you ever have a problem, replacement parts are available and the company is too, for any help before, or years after, the sale.
Brian