If you use your DSLR camera for shooting video, you will know how hard it is using they tiny LCD display on the back of your DSLR. A company called Small HD has the solution, a DSLR mounted HD LCD display.
The Small HD DSLR Camera Mounted HD LCD connects to your DSLR via HDMI and it features a 5.6 inch screen with a resolution of 1280 x 800 pixels, which means a ppi of 270.
Of course this sort of add on for your DSLR doesn’t come cheap, the base model will set you back $900 whilst the top of the range model will set you back $1200.