Have been using 8 Axis Gear with HA for a while now and they work quite well. My roller shades are quite heavy but the Gear pulls them up just fine…also Axis customer support is responsive and very good. I highly recommend these for use with hass.
Since 0.90.1 and the latest firmware for the Gear, they are rock solid and don’t drop out at all.
They don’t show up as a cover though…just a switch. That’s probably the zha component’s fault though, and likely not that hard to fix.