I like the adjustability of them. Extra adjustability also can mean more work, easier to lose settings and more opportunity for error. I'm using Dellortos, which are basically the same thing.

Worse that can happen, I use them as throttle bodies and hide injectors in them!

John Kennedy
1950 Chevy Burb
1929 Ford Model A sedan
and whatever else rolls into the yard........
http://home.joimail.com/~kennedyjp/