Woohoo! The Winter '15 release has brought some changes to Environment Hub that clarify this:
The Create Organization dialogue now has a Purpose field:
#For 'Development' purpose there is only one option and this is our guy!
- Partner Developer
Use a partner development organization to build, package and upload your app. Partner organizations have higher limits and other advanced features and are only available to partners. They are strictly for internal use and should not be shared with customers or prospects.
#For 'Test/Demo' purpose (these guys are nuked after 30 days):
- Partner Enterprise
- Partner Professional
- Partner Group
- Consulting
- Enterprise Edition
- Professional Edition
- Group Edition (be aware, this spins up a Professional Edition!)
- Create using
Trialforce Template ID
(Mostly documented here in Partner Development & Test Environments)
Use a partner test/demo organization for testing your app's compatibility with various editions or to demo your app to prospects. Partner organizations have higher limits and other advanced features and are only available to partners. They are strictly for internal use and should not be shared with customers or prospects.
#For 'Trialforce' purpose ():
- Enterprise Edition
- Professional Edition
Use a Trialforce Source Organization (TSO) for creating templates for trial organizations. Trialforce branding is not supported for TSOs you create from here. If you plan to use custom branding for your trials, create the TSO from a Trialforce Management Organization instead.