cryogenic on roller rocker arms:worth it?

hi all
i know this thread has been discussed a few times,but i have a rather specific question about the subject:
i m about to buy a complete roller rocker set assembly with stands for a wedge BB mopar and the company is offering cryogenic processing on the parts:is it worth it for these parts,considering these are the only parts that would be treated on the whole engine.
thanks
cyril