Of course, this IS a developers forum (at least in premise) so some folks will consider taking it apart. Most folks will either accept the bleed or move on to another device, since the consumer is paying for a finished product- not a ham radio kit 
I have not seen enough light bleed to warrant the risks of taking the tablet apart, but only tested for a few hours. If the 300 seems bad, the Excite will turn people's eyes to flames
As per the Mobiletechreview, there is light bleed all the way around the sides of the T305. The units I have seen have the same problem and so does the demo unit the local Stables just set up.
I have not seen enough light bleed to warrant the risks of taking the tablet apart, but only tested for a few hours. If the 300 seems bad, the Excite will turn people's eyes to flames
As per the Mobiletechreview, there is light bleed all the way around the sides of the T305. The units I have seen have the same problem and so does the demo unit the local Stables just set up.