I think both are worth doing. Balance doesn't get better as we age. So, anything that can help focus on that is good. I do track stands periodically, but haven't been on the rollers in about 2 years. It may be time to set them up again.
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A conclusion is the place where you got tired of thinking. - S. Wright
Favorite rides in the stable: Indy Fab CJ Ti - Colnago MXL - S-Works Roubaix - Habanero Team Issue - Jamis Eclipse carbon/831