Thanks for all of the replies, both good and bad advice
The friend we were helping out moved out of the attic and the breaker can easily handle the load now that there isn't a computer, clock, heater, and god-knows whatever else he had plugged into that attic outlet.
It's still a concern that needs to be addressed, but not immediately (my lack of funds really appreciates that).
I'm smart enough not to tackle repairs that I know nothing about, especially when it comes to electricity. I've taken enough shocks from car batteries to know that I don't like getting shocked. Burning down our house because I wanted to save a couple of dollars is ridiculous.
As it stands, I'll probably have somebody out in spring to look at the box and see if there are any options outside of wiring in new outlets to the areas where there will be higher draws.
The house is 90 years old, but from the looks of the wiring in here, it looks like they rewired it sometime within the last 30 years.
Luckily the crawlspace is about 4.5' high, so it's not real difficult to get around down there. I'm building my homebrew draft system down there in 2 weeks (running the lines up into the liquor cabinet on the floor above). I've got my priorities straight