Was looking around for an alternative to the Saikou Michi catch can and found this;

http://www.034motorsport.com/engine-components-18t-catch-can-breather-kit-mk4-18t-p-19167.html

Anybody else got one of these? Would be as good or better than the Saikou Michi?

TBH, not as good.

The Saikou Michi has an internal filter which helps to filter out the crud, whereas, from the photos provided, the 034 doesn't have any internal filters