One solution for those kinds of things: use Firefox, and install the "Image Zoom" extension. You can then right-click on images and reduce their size for your monitor.
Or you could just
ebay a 1024x768 LCD screen for less than $50 with shipping*
* with no power cable or video cable?
I hear you, and in the future I'll try to reduce to 780. It's hard to remember how everyone consumes these things - and how it'll change in the next few years.