[MikeE]

It would be nice if Luminary put better markings on the controllers, but I agree that the DIY Sharpie solution solves the problems faster.

Back to the Jaguars...
We use 6 Jaguars in our drive system and through development, 22 matches at two Regionals (and an obscene number of practice rounds at NASA/VCU), we haven't had a single problem with them. They are mounted horizontally but under covers large enough to allow air cooling.
Due to some early design decisions we've had to rely more than we intended on the low speed characteristics of the Jaguars, and I have been very impressed with how controllable they allow the drive system to be.