nice that it still works...
You shouldn't have a problem using a Daisy chain, tho you might get some noise in your chain.
So long as the power supply you buy is specified according to your pedal, you'll be fine.
I think the octafuzz would need a 9 volt power supply...this is pretty standard...then there are generally two options, the centre pin on the power supply jack will either be positive or negative.
There should be a small diagram on the pedal depicting which one, as well as listing of these details in the manual (my Fulldrive came with very explicit explanations).
Anyway, so long as the power supply you use has a centre pin with the correct polarity, it should be fine.
If you daisy chain, you may get some hum, but I'm not sure, having never daisy chained pedals before.
So long as your supply is regulated, and specified to the correct polarity, it should work fine.
Cheaper power supplies tend to have poor regulation, or none at all...and as such the voltage supllied varies by more than more expensive units...this can be a bigger issue than it sounds
[FONT=Century Gothic]Hope is when we feel the pain that makes us try again[/FONT]