The iPanel incurs no performance hit.
I have seen some people get some strange readings in regard to system monitoring for the panel.....odd temperatures and things like that.
You do need to upgrade the BIOS to at least version 1002.....there are still some people out there who have not upgraded from 1001A.
Like
Valvoline6 I am waiting for the deluxe version. Only problem is....I'm running out of 5 1/4 inch bays....heh..
