One aspect that's absolutely critical for tablets is weight. As an example, the weight difference of the iPad2 vs iPad1 makes a huge difference for me - only th

One aspect that's absolutely critical for tablets is weight. As an example, the weight difference of the iPad2 vs iPad1 makes a huge difference for me - only the latter allows me to hold it for longer periods without getting tired. The advantages you describe are IMO only applicable for Win x86 tablets - and those will be either underpowered, undercharged or too heavy to compete with the iPad-experience when it comes to just consuming media on your couch. Sure, the two device categories are closing up and will likely merge at some point in the future - but the hardware is not there yet for doing everything without serious concessions.