Microsoft Store offers the 4.6-lb. HP ENVY Touch 14-k110nr Sleekbook Intel Haswell Core i5 1.6GHz 14" 3200x1800 Touchscreen LED-Backlit Laptop, model no. E8A24UA, for $799 with free shipping. That's tied with our mention from two weeks ago (although that mention included a $25 Microsoft Store gift card) as the lowest total price we've seen for any 3200x1800 touchscreen laptop. Features include Intel Core i5-4200U 1.6GHz Haswell dual-core processor, 14" 3200x1800 LED-backlit LCD, 8GB RAM, 500GB hard drive, 802.11n wireless, webcam, backlit keyboard, 3-cell battery, and Windows 8.1 64-bit.
Note that no optical drive is included.
Frugal isn't smart if you put off replacing these things. Waiting too long can cost money or even endanger your health.