I think this compressor will be perfect for your needs. You don't need
much CFM for driving nails. The other posters are correct, if you want
to add tools in the future, this compressor won't help you much, but
only if you're trying to run tools that require higher CFM - sanders,
impact drivers, die grinders, etc, all require serious compressors.
I've even run a framing nailer on a 2 gallon cheap compressor, and only
run out of air if I'm moving quickly. For brad nailing, you'll be
working pretty fast if the compressor can't keep up, and given your
"creeping age" (good euphemism, I'm going to use that), I don't think
you'll have any trouble.