.19 is running fine here. I shut of hardware acceleration a while back and haven't noticed a big difference in CPU utilization. You might want to experiment with that and save a little on the Gaviscon that way. I'll update to .20 early tomorrow morning.
That link I posted has every update as an executable so you can roll back any old time with no problem.
.20 is running okay, but for whatever reason the Deepstack images don't have overlays on them in my alert emails like they did before, but the alerts in BI still have them. Pretty annoying, but I guess I'll live with it for now