I've read adaptive paths report on Registration and Login and am looking
for more information.
Does anyone know of any other sources?
Something more along the lines of Jakob Nielson's reports where he
explains the processes used and allows you to view the data.
The report from adaptive path was more of an executive summary, the two
sections I was most interested in "Authentication: username vs. email
address and "forgotten passwords: hint, reset, or email?" were two short