Didn't ready the WHOLE thread, lazy of me I know, but my only suggestion is opening talking about it. I know it sounds weird, but hear me out. As a gamer, one that is less 'geeky' then a few, to get into my RL gaming group I had to mention my interest of playing in an Ancient Society in table top form to a History buff; whom by chance had a group who wanted to get back together. Not saying it hasn't caused some weird moments, and undue stress/stain, I do enjoy it a bit.
Also I know most of my 'Local' comic book stores host a few different 'RP' groups bi-weekly; though I fear the people I meet their... One perk of online you can't judge people by their cover. Which I tend to do consciously to those whom are 'overly' kind or talkative. Humanity flaw I guess.. and to think my nick name is that of a man whom says not to judge others.