PicDude wrote:

> Is there any clever way to check for opens?  Is 
>there any clever way to check if the LED's actually light up (by checking 
>their voltage drop), but keeping in mind that I don't have any spare I/O's.
>  
>
Depends on how they are wired, but remember that some of the ports on 
the PIC have weak pullups which could be used to determine if they are 
connected to ground, by switching the port to input with weak pullup and 
see which of the pins are low (connected to ground).   (Think wired-or).

-forrest
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