....Gone is the summary page regrdless that anyone could go to the 1.0 site and see all of your sensors...
Just to clarify that the summary page is still there in V2 showing the Current, Daily highs and lows etc but yes only available to the owner. No doubt the additional sensors are part of the Pro monthly paid scheme which I can't confirm anyway as I don't use. It's like 1 step forward and 2 steps backward
It's worth remembering that 2.0 is a pretty large and ongoing project. When the migration is complete there will be something like 30,000 users worldwide and growing. The present feature-set is just the story so far, there is a roadmap for a number of further features to be added in the coming months and then with evolution obviously continuing into the future.
One of the features that's due to be added soon is
sharing of your Bulletin data with other specific users. This will effectively be on a named user basis, ie it won't be a public feature, but you will be able to invite other account users to have full access to your Bulletin, which will obviously include display of all sensors you have installed.
There are reasons why expanding the embeddable panel to include non-ISS sensors is not straightforward. Remember that, for better or for worse, Davis made the decision that 2.0 should cater for all Davis systems, including EM. But an EM installation could in principle have 100 sensors or more and it would obviously be impracticable to include all of these in a single panel. Even a single soil sensor on an EM may show very different readings from a soil sensor on a VP2.
These (extra sensor) problems aren't unsolvable but they need to be tackled a step at a time and I'm guessing that having made the initial embeddable panels available, there are other priorities, especially the mass migration from 1.0, for now.
I have only migrated 1 site into a separate V2 account and different V2 login as opposed to the original V1 site. If one tries to create a new V2 account the same name as the V1 account then V2 wants to migrate it and presumably create an individual separate account even though one may already have 1 or several other V2 accounts?
I am still undecided which is the best way to go with V2, a single account for each site or all sites under one account or maybe a split?
There are some advantages to having multiple stations under one account - it obviously simplifies the admin. In part it depends whether you want to use the Pro features or not. AIUI it works like this:
There are two classes of device that upload to 2.0: the logger-based devices (IP logger and USB + Weatherlink) and the cell-based ones (Connect and EM). The cell-based ones all need an annual cell plan anyway and the Pro subscription is automatically included in the cell plan price. So all EM and Connect stations are automatically on a Pro plan.
For the logger devices, it's up to you whether to upgrade to Pro or not. If you leave all devices at the Basic level then AIUI you can have an unlimited number of stations in one account. But if you upgrade the account to Pro then you can have up to 3 logger stations taking advantage of Pro status within that account, but no more. Any more than 3 will need moving to a second account, whether or not they are still at Basic tier.
For the great majority of hobbyist users this isn't going to be an issue at all - they will have just one or two Vue/VP2 stations; they can decide whether to upgrade the account to Pro or not, but basically life will be simple.But for the few here who may manage larger networks of stations then a little more thought may be needed.