Sails through the internet.
Lots of options. (More power, memory, blu-ray, TV tuner, etc.)
Handles videos well.
Easy to upgrade.
HP Support Assistant doesn't seem to work on these machines. A constant message saying "An Error Occurred" appears. You'd probably have to go to the HP site directly for any updates.
I've had this machine since August, 2012 and it's very reliable. I suspect the later models will be too.