1) on the awnet app - the blanking of the fields you mention...is that the same as deleting the WU station id/key entry that shows there?...there is no devices in the device list option - which allows viewing/changing to station settings...i assume this is because i am remote and not using awnet on the same network?...
Yes blanking = deleting = erasing (on the console you use the onscreen keyboard and click on Backspace). The awnet app and WS View will show you the consoles under Device List that are on your local network. You must be on the same WiFi network to see the devices. You must have joined them to your network first though to get them on your WiFi network the first time when unboxed. But only WS View will show you the GW1000 under Device List. The awnet app will only show you the WS-2000 in the Device List (as awnet only shows Ambient branded consoles). So yes you must be home in order to manage a device using the Device List in the mobile app.
2) if i delete and/or blank out this thru awnet app, how do you configure the WU upload using the gw1000?
Stop using the awnet app. You have a GW1000 and you gain no benefit from using the awnet app...it is limited to only managing Ambient branded consoles. Just uninstall the awnet app...you don't need to do anything before uninstalling. In the WS View app you'll be able to fully manage both the WS-2000 and the GW1000.
3) btw - on ws view app and the awnet app, both show my registered WU station id/key?...is it supposed to?
Both apps have the ability to show you any WU station you want. These apps can even show you stations that don't belong to you. This is just a way to monitor a station you are interested in. This monitoring has nothing to do with management of your console nor its uploads nor with management of your WU ID. Just consider this feature a perk of the app. Anyone can download these apps and even without owning a weather station they can add a WU station to monitor.
4) any idea why WU shows it offline - yet the the WU my devices shows it online?
The My Devices configuration menu in WU is not that responsive. If you see it say that a station is Online or Offline it likely is delayed a few minutes to hours. Sometimes it just doesn't work at all. The WU dashboard can even at times not be that reliable either. Lately it has been okay though. Things are touchy with WU. Go by with what your console configuration has and trust that rather than what WU shows.
5) it is better to use one console over another to upload to WU?...ie. benefits of using the GW1000 versus the ws-2000?
Some consoles or software upload a bit differently to WU. Some can upload more frequently. Some can be changed to change the rain rate method....etc. But between the WS-2000 and the GW1000 there really is no difference because they are both really running the same code from Fine Offset and uploading in the exact same manner and pulling from the same sensors live. They will both upload every 16 seconds. It may just be a matter of personal preference. Do you want the "i" circle on your WU Dashboard to show Software: AMBweather or Software: GW1000. There is though the fact that if you will be using the GW1000 to also feed other software (Cumulus, Meteobridge, Weather-Display, WeeWX..etc) that perhaps since that can only be done via the GW1000 that then the GW1000 be the same one uploading to WU for the sake that all uploads will share the very same barometric sensor. See the GW1000 uses its own barometric sensor (its inside the GW1000) and the WS-2000 uses that external WH32B. In some ways the internal barometric sensor is more reliable than one that requires batteries and it is another RF signal device that could potentially drop out if out of range or RF interference. The fact that the GW1000 barometric sensor is built in, I think puts that console in a bit better stance as far as things that could go wrong. If running other software that the GW1000 feeds then calibration of the GW1000 barometric sensor is then universal with all the connected shared software and places that you may upload data to. And although you can perfectly calibrate the WS-2000 barometric sensor, any two barometric sensors are going to track on their own update cycle and could potentially be slightly off from each other at about 0.1 hPa at any given moment as they track changes, which is pretty insignificant...but still it is different. The GW1000 also has better RF range and performance with all sensors than the WS-2000. This mean that it is more likely that the WS-2000 loses a sensor due to range or battery performance.