In order of preference:
1. 'Partners in Crime';
2. 'New Earth';
3. 'Smith and Jones';
4. 'Rose';
5. 'The Eleventh Hour';
6. 'The Impossible Astronaut';
7. 'Asylum of the Daleks'.

'Partners in Crime' and 'New Earth' are very close, for me. Rose is the best companion and I have always admired her audacity and agility. :) <3 <3 <3

In order of preference:
1. Partners in Crime
2. Asylum of the Daleks
3. The Impossible Astronaut
4. The Eleventh Hour
5. New Earth
6. Smith and Jones
7. Rose

1. Asylum of the Daleks
2. The Impossible Astraunaut
3. Rose
4. The Eleventh Hour
5. Smith and Jones
6. Partners in Crime
7. New Earth
But i loved every single one anyway!

1. Smith and Jones
2. Asylum of the Daleks
3. The Eleventh Hour

Each opener is brilliant as they set up each series with a bang and shaking up the foundations of any preconceived idea you had for what the series was going to be like, though that often happens in a lot of things.
1. Partners in Crime
2. The Eleventh Hour
3. Asylum of The Daleks
4. Smith and Jones
5. The Impossible Astronaut
6. Rose
7. New Earth

that was hard wow