Thank you for the feedback and thank you for being a long time user of our products. I'm going to explain the reason for the change and I encourage you to respond with any comments if you disagree with the decision.
The change was made to accomodate the SNMPv3 support that was added in version 9. Adding SNMPv3 means that we have to provide a way to select either community string or SNMPv3 credentials. If SNMPv3 is selected there are a handful of additional pieces of information that need to be entered. The choice came down to these two options:
We chose option 2 with the assumption that additional rows of data on the screen at once is more important than having the credential selection in the main window.
Thanks again for the question and we welcome your feedback.