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Jeff:
I also print palladium, and I have had very good luck using the palm program's built-in datasets for both Tri-X, FP-4 and HP-5 in D-76. To answer your question, if you are using the new version of the program, it calculates the effective film speed for you based on the SBR that you are encountering. I use an ES of 1.7 myself for palladium, which still leaves me a little room for inadvertent higher than expected DR in the resulting negative.
FWIW, I have become a recent convert to using the incident metering method this year. I made a new year's resolution to use it whenever possible, which turns out is about 95% of the time, and my negatives have never been better. Full shadow detail, and highlight densities right where they need to be. The funny thing is that my palladium print exposure times are averaging about half of what they were previously, because I was always adding a little 'safety' factor to the shadow exposure value using the my spotmeter, and getting about 1/2-2/3 of a stop overexposure.
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