Artashes is spot on with the phenomenal work mark, but for me honestly I would rather not be paid for a bit on a site while I am still checking it out and poke around. Sometimes I will register at a place and just read for the first week or two, checking things out to make sure its something that works for me or not. I have dozens of sites bookmarked and sometimes I can not always get to them daily either, so while you are checking things out to make sure the site works best for all you can do (say its a site about writers and designers and you only do one, maybe look for a writers only site, etc.).