Khat al Arabi or Hat Sanati or Khoshnavisi . . . looks like people have no time to indulge in this "luxury"? look up www.artworkshop.blogfa.com
for Nastalique, Shikasteh and other styles whose undisputable masters are the Iranians. Check out Gholam Hosein Amirkhani, Ali Shirazi, Abbas Akhwin, the modern masters . . . not forgetting Hadi Zul Riyasatin Ne'matollah who did the magnificent Hadith Qudsi, "Ya Ibadee . . ." in Daqiq Taliq for IRCICA exhibition some years ago.
OK . . . Was Salaam