a better mousetrap?

?

Dennis at FGG’s take:

http://www.fixedgeargallery.com/reviews/insideride/

seems like the biz. I always found that rollers felt quite strange since there’s no forward and back motion at all.

any idea of RRP?

Not cheap. Website says US$795, but there’s a link to get a quote for “special” Aus/NZ pricing.