Check the WM100 server status hereClick here for WM100 setup help
Does using an SSD prevent a sudden power failure from damaging the image? If the drive is nice with its write policies I would think it could be much more stable than the fragile SD cards.
I received this email from The Pi Hut this morning:"Good News! The Raspberry Pi 4 Model B is back in stock here at The Pi Hut. Available (at the time of writing!) in 1GB, 2GB & 4GB!Be quick, stock is selling FAST!"
It may still be a good idea to wait.https://arstechnica.com/gadgets/2019/07/raspberry-pi-4-uses-incorrect-usb-c-design-wont-work-with-some-chargers/