The pair of Lurpivs I had were probably some of the best grinding trucks I've ever had, other problems notwithstanding.
Other than that, Indy just sits right on coping man, not sure what exactly about it but they just look and feel like they're ready to hug the coping. I guess that's what the French would call je ne sais quoi. Aces look and feel good in most other realms of skating, but on the coping they're not what I want.
Also, the other guys were nailing it with the Z-Rollers.