Awesome story. Very rare to hear of someone getting off to just the tickling alone, and it was nice that she just happened to confide to someone about her love of it, who is also into it. Didn't you just get lucky? Haha.
I met a lesbian once who got turned on by tickling from anyone, it was just natural for her, rather than to laugh a lot, to just get aroused. Was different, don't know if it was more like that or not.
Also, was never expecting you to pop up again, we talked for a little while on msn back when you first came here, and then you disappeared suddenly.