[SOLVED] Why there are so few laptops with 17.3 display?

[jorge_medion]

I usually find laptops with 15.6 display but few with 17.3, which one is better in terms of performance and cooling?

 

[kanewolf]

I usually find laptops with 15.6 display but few with 17.3, which one is better in terms of performance and cooling?

Weight.
Overall size, making them inconvenient to carry.
Displays use the most battery. Larger display may negate the capability for a larger battery.
Cost.