Original sentence: Today, some 6 years after its inception, Ars Technica is one of the (though areas outside the "Ars Mission", such as The Lounge, are subscription based) large bulletin board style forums on the Internet
Edited sentence: More information can be found on the welcome page.Prospective subscribers can view their options at the Subscription page.Today, some 6 years after its inception, Ars Technica is one of the last genuinely vibrant, mostly civil, free (though areas outside the "Ars Mission", such as The Lounge, are subscription based)  large bulletin board style forums on the Internet