Yeah, make it obvious when it's thought and when it's a telepathic pulse in your words more than anything, but if you like you could throw in quotation marks. Something like this...
OOC: Oh man, that girl is so fit, Randy thought to himself. What a piece of ass! I'm totally getting me some of that.
"I'm not just fit, I'm also a mind reader," the girl responded telepathically. "And you don't have a chance, you pervert."
