yes, I have got something like that, but I don't know how much I should take that as a very good sign or whatnot. My advisor said that this kind of letter from PD is just like when we, the applicant, keep telling the PD how interested we are in their program. Since almost everyone says that, the credibility is not going to be assumed high. Also, if a PD says we are their top choice, I will think the truth is that PD has not seen all the applicants yet, how can s/he say we are their first choice? know what I mean?