Thanks for linking this video! Pretty good rundown on Dr. Who history--learned quite a lot from it.
Many years ago, I watched Dr. Who
while Tom Baker was the doctor. I really liked his personification and his successor really soured it for me; couldn't adjust to him. Anyway, what a ragtag run of doctors since... until David Tennant. I haven't seen many of his episodes yet, but I like the way he plays the doctor, probably even more than Tom Baker. The newest guy, Matt Smith, portrays an interesting variation. A little more nerdy than Tennant, but he seems well positioned to do a great job.