If you weren't already aware I've started an RP on tumbr with a Mercer RPer.
Each post is at least several paragraphs long so it's basically like a fanfic being written by two separate people. So if my fanfic fragments gave you a taste and you want more, I recommend you check it out Here
Watch out for the auto-play Noveria music. I likes me some soothing background music but if you don't want it you can stop it.