Originally Posted by PornHero

about registering members, that's definitely a good goal to have as you develop your blog. Just make sure you dont overextend yourself, manageing all those site features may take up alot of your time - spreading the quality of your blog 'thin' and the returns you see from it may not be immediate.

However, I owned a membership site at one point with over 4000 registered businesspeople and companies will sometimes pay you "per member" so it becomes a good way to quantify how much you can sell your site for. If you have the time, resources and inclination, then go for it!