Vote it up people - This isn't getting any visibility in the previous "closed" AND not fixed ticket.
Additional Test added to ticket:
Pingtest.net results show a larger problem
Laptop Test: 17ms average, Jitter 4 ms average (Line Quality A)
Boxee Box Test: 98ms average, Jitter 21ms average (Line Quality C)
So, something definitely wrong with the NIC driver or ability.