I only have 28.2E (no motor) but box stable on HD channels as we watch these a lot, approx 10 hours yesterday, no reboots since latest (25th jan) firmware loaded on 30th Jan and manual channel/tp edit.
As for connecting to router(DLINK DSL2425
I just plugged it in powered up the box and it worked, have wifi dongle but as backup for when adsl down as we have free WIFI in our village.
Looking forward to future update like filmon app maybe and I hope skybox are reading this.