i just got one from tiger direct and upgraded to 2008...

it seemed like it wouldn't turn on after i upgraded, but i found that you had to hold the on button and wait for the LED around the arrow key pad to light up fully and then it would boot...

but if i held it for too long the light would go out and it wouldn't turn on... sort of strange... look to see whether the blue light goes on when you think it is dead...