Lenovo/IBM has a Thinkpad with a 1680X1080 for about $600 for sale in their outlet.
Lenovo Outlet - ThinkPad T500 (http://outlet.lenovo.com/laptops/224r8hbebp.html - broken link)
They sell returns, discontinued items, ordered but not shipped, etc. for substantial discounts.
They have higher resolution laptops in the outlet, but you'll be paying $900-$1,000 for those.
Lenovo Outlet - Laptops & netbooks (http://outlet.lenovo.com/laptops.html?screen_resolution=120 - broken link)
They are good deals. Solid laptops.
Fujitsu has a laptop with an 18" high resolution screen for $1200.
FUJITSU: Fujitsu America - LifeBook NH570 Notebook
Fujitsu's laptops are quite good. I've had one for years. Sturdy and equipped with useful stuff, like extra USB ports.