Yep, I use PayPal for lots of things. Once you get a debit card from them, it rules! Someone pays you and you can blow all the money they sent you in minutes! I personally love paypal. They are just starting to do subscription services with password management just like iBill. Check this out
PayPal Instant Payment Manuals & APIs:
https://www.paypal.com/cgi-bin/webscr?cmd=p/xcl/rec/resources-outside
Just as a side note, I am working on a new Perl script that will handle all of your members that sign up for memberships via paypal. If you have any Perl experience, it's really easy.
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