Yes i shed a tear or 3 as well. I still wish Eccelston had stuck around longer but Tenant was absolutely fantastic. I'm loathe to say he was better than Tom Bakers Doctor but I can say its very close.
Tom Baker was my first. I liked Peter Davison after a bit and didnt like Colin Baker but I only saw maybe his first 2 episode. Ive never seen the 7th but I hear he was quite good I want to find his episodes now.
I've just read about thje 2 Doctors episode with Peter Davison an David Tenant for the BBCs Children in Need Charity "Time Crash". Its set just before Doctor #10 crashed into the Titanic
I desperately want to see it now- preferably legally.