Monthly clubs
http://www.greatclubs.com/
There was another monthly club that was discontinued sometime back. The idea was - you pay them $49.95 a month - and they would send a surprise gift to your loved one every month.
This is another cool idea:
http://www.philinvestments.com/inves...y/monthly.html
Successful subscription sites:
http://www.membergate.com/public/department10.cfm
Then there was another website posted on sowpub - a subscription site for truckers... but I forgot the URL - maybe someone else remembers it...