The Warehouse team has improved the new PyPI, available for you to check out at https://pypi.org/ , to the point where we would love for you to try it out, test it, and give us bug reports.
https://wiki.python.org/psf/WarehousePackageMaintainerTesting has guidelines, suggestions for things to test, and how to contact Warehouse developers. Since Warehouse must be a reimplementation of the existing PyPI, please particularly let us know of any differences, missing features, or incorrect behavior that pypi.org exhibits that affect your package-related workflows. Feedback on user experience, accessibility, and overall ease of use are welcome.
This isn't the big public beta yet, where we really push the message widely to get less experienced users to test the site. We'll be soliciting feedback on other concerns soon!
We're hosting four livechat hours this week where Warehouse maintainers will be in IRC, in #pypa-dev on Freenode https://webchat.freenode.net/?channels=#pypa-dev , and specifically available to talk about problems you run into, or about how to hack on Warehouse.
Tuesday Feb 27th: 1700 UTC / noon-1pm EST
Tuesday Feb 27th: 2300 UTC / 6pm-7pm EST
Thursday March 1st: 1700 UTC / noon-1pm EST
Thursday March 1st: 2300 UTC / 6pm-7pm EST
Hope this is useful!