To be succinct and hopefully devoid of any debate, I would like to let you know that the Unoffocial WP 1.5 Theme List has been updated completely and will continue to be there for any who wish to use it.
It is located at
http://shadows.os42.com/2005/02/19/wp-themes-list-for-15/ which is my own blog and it is also mirrored at
which is the WordPress Reference Centre. [I am looking into installing every theme on the WRC but this will take a little bit of planning. If you feel like helping, please contact me [shadow12 gmail]
I have not counted the themes in the list to be honest, but one thing is for sure - there's a helluva lot of them!
Have fun :)