Strength / Weight Training

Not 100% rattle free, no. But not so bad that I feel it gets in the way of anything.
I still think it's a good solution overall. Not quite perfect though, looks ugly.

My hope is that in the future there will be plenty of competing products - sleeker, more elegant ones. Anodised and made to millimetre precision.
As long as the price benchmark are classic olympic style barbells, these things will always seem pricey. But I am hoping that one day a product will appear that will create a whole new market. A bit like when the first iPod dropped and people suddenly realised they had that kind of money to spend on an mp3 player. When the adjustable dumbbells start getting cool we will hopefully get an arms race of increasingly sophisticated models.

I use these approx 4-5 hours per week, so the investment can be spread out over that amount of time. A bit like how you justify investing in Phil Wood hubs or Sidi shoes.