This looks like a much better idea

+1
and it's not a problem even if someone don't want to use mtgox,etc - just mine several hours

not friendly to ones who didn't post often.
also - VERY unfriendly to newbiews whose native language Russian or German - may be at least allow to post in their own language subsections?

А вот хочу
и некоторые услуги - если есть вариант оплатить аналог - биткоинами - именно так и делаю
(даже если это означало бы ввод биткоинов)
перспективы очень нравятся...

stored somewhere?
store them at mybitcoin.com for example
system-wide enforcement?so what if somebody comes to this 'enforcement organization' and says ' user xxx is not thinking of children(/of $Nation Best Interest/of our IP creatores' - make them thing again about it!!!. And there is arleady P2P rating system for bitcoin