For those who are interested, the Netherland Aikikai Aikido website - http://www.aikikai.nl/movies.html
- has 3 clips (5 mins each) of a training session conducted by the second Doshu at the Aikikai Hombu Dojo. Although the clip is 10+ years old, it captures the atmosphere of the present Doshu's classes very well - you can also see how crowded the normal classes can get
...although nothing beats the crowds at the Etsunengeiko!
The 3 clips are under the section "Kisshomaru Ueshiba Video" and labelled "een" "twee" and "drie". The creators of the website have also placed clips of the current Doshu demonstrating kihonwaza - http://www.aikikai.nl/technieken.html