A project I had finished a little while back and forgot about it, so here it is. I was challenging myself to make an image similar to 1 that I had seen on the internet and I think i did a really good job. (always open to critiques especially since I was very new to blender at the time.)
Nice specularity and mirror effects on that blocks 
You could use this image for a professional website’s layout 
and make some money on it.
I always like these kinds of images but this is particularly nice.
Do a high resolution render and definitely one for the stick image sites.
It looks great! would work well as a wallpaper.
Thanks for the great comments and ideas!
quick question though, Mr_LAMPPOST: how high of a resolution are you suggesting and what do you mean by stick image sites?