There might be a whole lot of members that are still playing but aren't active on the forum anymore. Instead of a "membership drive", wouldn't it pay off to get these members back in active duty? Some boards spam me periodically when I haven't posted in a while (I hate that, grrr), and vBulletin has the option of spamming errr... sending mail to all members.
Anyway, for some time Magic Online was a nice way of playing the occasional game of magic, but I noticed that it's not necessarily the game but more the physical cards and the social contact that I enjoy. I don't really enjoy playing with strangers, definately not when they're of the competitive sort (so I dislike tourneys...). Since I moved here (three years ago) I haven't found a new playgroup. There's a good magic club, but I hardly go there. Still, I enjoy reading about the game and collecting cards, plus theorizing about decks.