I found an easy way to try this out a couple of weeks ago: five cinder blocks. Stacked three high to hold the monitor, and two high to hold the keyboard. Their mass forms a very solid support, yet it's light enough to use on almost any desk.
I needed to find a separate small stand for the optical mouse too, and I do sometimes wish I had a little more surface area at keyboard height. Still, it's cheaper and easier to install than a dedicated standing desk... and very easy to "uninstall" if you change your mind.
If you try this, be sure to put a piece of cloth or paper underneath the blocks, so that they don't scratch the desk surface. You also will probably want to get something decorative to cover the blocks; molded concrete isn't the most attractive office decor :)
I needed to find a separate small stand for the optical mouse too, and I do sometimes wish I had a little more surface area at keyboard height. Still, it's cheaper and easier to install than a dedicated standing desk... and very easy to "uninstall" if you change your mind.
If you try this, be sure to put a piece of cloth or paper underneath the blocks, so that they don't scratch the desk surface. You also will probably want to get something decorative to cover the blocks; molded concrete isn't the most attractive office decor :)