Firmware 2.2.2 drives "Loading, Please Wait"

This is vague at best. Where did you get this from? Is it coming from a trusted source at Roku? Can you ask them to define what is much more to them? Is it up to 5mbps, 10?

I had my Roku and Apple TV right next to each other, tried both wired and wireless. Never had a single issue with Apple TV, my Roku would reload and reboot frequently.

Now we can blame the Roku wireless or wired network adapter, the main difference between the Apple TV and the Roku as you mentioned is the one that makes the most sense in my mind: